Code Challenge @ 2k19

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| By Wisecc2k17

Wisecc2k17

Community Contributor

Quizzes Created: 1 | Total Attempts: 168

| Attempts: 168

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1/59 Questions

Python code for print Asterisk (Start) pattern Program to print start pattern: Enter max star to be display on single line 4 * * * * * * * * * * * * * * * *

About This Quiz

CODE CHALLENGE @ 2k19 is a quiz designed to assess knowledge in C programming, covering topics like functions, structures, scope, and operators. It is ideal for learners looking to test their understanding of basic to intermediate C programming concepts.

Questions and Answers

2.

3.Program to check whether the input year is leap or not..
3.

Write C Program to reverse given number:
4.

What will be the output of the following C code? #include <stdio.h> int main() { void foo(); printf("1 "); foo(); } void foo() { printf("2 "); }
- 1 2
- Compile time error
- 1 2 1 2
- Depends on the compiler
Correct Answer

A. 1 2

Explanation

The code will output "1 2". The main function calls the foo function, which prints "2". Then, the main function continues and prints "1". Therefore, the output will be "1 2".

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5.

Which of the following are themselves a collection of different data types?
- String
- Structures
- Char
- All of the mentioned
Correct Answer

A. Structures

Explanation

Structures are a collection of different data types. They allow us to combine different variables of different data types into a single unit. This makes it easier to organize and manipulate related data. Structures can contain variables such as integers, floats, characters, and even other structures. Therefore, the correct answer is structures.

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6.

Which of the following cannot be a structure member?
- Another structure
- Function
- Array
- None of the mentioned
Correct Answer

A. Function

Explanation

A function cannot be a structure member because a structure is a user-defined data type that can contain variables of different data types. Functions, on the other hand, are blocks of code that perform a specific task and can be called from other parts of the program. They are not variables and therefore cannot be members of a structure.

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7.

Which variable has the longest scope in the following C code? #include <stdio.h> int b; int main() { int c; return0; } int a;
- A
- B
- C
- Both a and b
Correct Answer

A. Both a and b

Explanation

In the given C code, the variables 'a' and 'b' have the longest scope. 'a' is declared outside of any function, making it a global variable with a scope that extends throughout the entire program. 'b' is also declared outside of any function, giving it the same global scope as 'a'. Therefore, both 'a' and 'b' have the longest scope in the code.

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8.

Which function will you choose to join two words?
- Strcpy()
- Strcat()
- Strncon()
- Memcon()
Correct Answer

A. Strcat()

Explanation

The strcat() function is used to concatenate (join) two strings together. It takes two arguments - the destination string and the source string, and appends the source string to the end of the destination string. Therefore, in order to join two words, strcat() would be the appropriate function to choose.

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9.

Which of the following is called address operator?
- *
- &
- _
- %
Correct Answer

A. &

Explanation

The address operator in programming is represented by the symbol "&". It is used to obtain the memory address of a variable in order to access or manipulate its value. By using the address operator, we can pass variables by reference to functions, allowing us to modify their values directly in memory.

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10.

Which of the following is the scope resolution operator?
- .
- ::
- &&
- ~
Correct Answer

A. ::

Explanation

The scope resolution operator in C++ is "::". It is used to access members of a class or namespace that are defined outside of the class or namespace. It allows us to specify the scope in which the member is defined and helps in avoiding naming conflicts.

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11.

Which of the following is accessed by a member function of a class?
- The object of that class
- All members of a class
- The public part of a class
- The private part of a class
Correct Answer

A. All members of a class

Explanation

A member function of a class can access all members of that class, including both the public and private parts. This means that the member function can access and manipulate variables, functions, and other members of the class, regardless of their access level. Therefore, the correct answer is that a member function can access all members of a class.

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12.

What is the output of this program? #include <iostream> usingnamespacestd; int main() { int a; a =5+3*5; cout<< a; return0; }
- 35
- 20
- 25
- 30
Correct Answer

A. 20

Explanation

The program calculates the value of "a" by performing the multiplication operation first, then the addition operation. The multiplication operation is 3*5, which results in 15. Then, the addition operation is performed by adding 5 to the result of the multiplication, which gives a final value of 20. Therefore, the output of the program is 20.

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13.

What is the output of this program? #include <iostream> usingnamespacestd; int main() { int a =5, b =6, c, d; c = a, b; d =(a, b); cout<< c <<' '<< d; return0; }
- 5 6
- 6 5
- 6 7
- None of the mentioned
Correct Answer

A. 5 6

Explanation

The program initializes variables a and b with the values 5 and 6 respectively. Then, the value of a is assigned to c, followed by the comma operator and the value of b. This means that c will be assigned the value of a (5) and then the value of b (6), resulting in c being 5.
Next, the value of a is assigned to d, followed by the comma operator and the value of b. This means that d will be assigned the value of a (5) and then the value of b (6), resulting in d being 6.
Finally, the values of c and d are printed, resulting in the output "5 6".

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14.

Modulus operator, %, can be applied to which of these?
- Integers
- Floating – point numbers
- Both Integers and floating – point numbers
- None of the mentioned
Correct Answer

A. Both Integers and floating – point numbers

Explanation

The modulus operator, %, can be applied to both integers and floating-point numbers. The modulus operator calculates the remainder when one number is divided by another. This operation is applicable to both integer and floating-point values, allowing us to determine the remainder of a division operation regardless of the type of number being used.

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15.

With x = 0, which of the following are legal lines of Java code for changing the value of x to 1? x++; x= x +1; x+=1; x=+1;
- 1, 2 & 3
- 1 & 4
- 1, 2, 3 & 4
- 3 & 2
Correct Answer

A. 1, 2, 3 & 4

Explanation

All of the given options are legal lines of Java code for changing the value of x to 1.

1) x++ increments the value of x by 1.
2) x = x + 1 assigns the value of x + 1 to x.
3) x += 1 is a shorthand notation for x = x + 1.
4) x=+1 is equivalent to x = +1, which assigns the value of +1 to x.

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16.

What is the output of this program? class increment { publicstaticvoid main(Stringargs[]) { double var1 =1+5; double var2 = var1 /4; int var3 =1+5; int var4 = var3 /4; System.out.print(var2 +" "+ var4); } }
- 1 1
- 0 1
- 1.5 1
- 1.5 1.0
Correct Answer

A. 1.5 1

Explanation

The program first assigns the value of 1 + 5 to the variable var1, which results in 6. Then, it assigns the value of var1 divided by 4 to the variable var2, which is 6/4 = 1.5.

Similarly, the program assigns the value of 1 + 5 to the variable var3, which is 6. Then, it assigns the value of var3 divided by 4 to the variable var4, which is 6/4 = 1.

Finally, the program prints the values of var2 and var4, which are 1.5 and 1 respectively.

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17.

What is the output of this program? class increment { public static void main(Stringargs[]) { int g =3; System.out.print(++g *8); } }
- 25
- 24
- 32
- 33
Correct Answer

A. 32

Explanation

The program declares a variable 'g' and assigns it the value of 3. The expression '++g' increments the value of 'g' by 1, resulting in 4. Then, the expression '4 * 8' is evaluated, which equals 32. Finally, the program prints the value of 32 as the output.

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18.

What is the output of this program? class Output { public static void main(Stringargs[]) { int a =1; int b =2; int c; int d; c =++b; d = a++; c++; b++; ++a; System.out.println(a +" "+ b +" "+ c); } }
- 3 2 4
- 3 2 3
- 2 3 4
- 3 4 4
Correct Answer

A. 3 4 4

Explanation

The program starts by initializing variables a and b with the values 1 and 2 respectively. Then, it assigns the value of b incremented by 1 to the variable c (c = ++b), making c equal to 3. Next, it assigns the value of a to the variable d and then increments the value of a by 1 (d = a++). After that, it increments the values of both c and b by 1 (c++ and b++). Finally, it increments the value of a by 1 (++a). The program then prints the values of a, b, and c, which are 3, 4, and 4 respectively.

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19.

What is the output of this program? class Output { public static void main(Stringargs[]) { int a,b,c,d; a=b=c=d=20 a+=b-=c*=d/=20 System.out.println(a+" "+b+" "+c+" "+d); } }
- Compile time error
- Runtime error
- A=20 b=0 c=20 d=1
- None of the mentioned
Correct Answer

A. A=20 b=0 c=20 d=1

Explanation

The program will output "a=20 b=0 c=20 d=1". This is because the program assigns the value of 20 to variables a, b, c, and d. Then, it performs the following operations: b-=c*=d/=20. This is equivalent to b = b - (c * (d / 20)), which simplifies to b = 0 - (20 * (1 / 20)), and further simplifies to b = 0 - (20 * 0.05), and finally b = 0 - 1. Therefore, the value of b becomes 0. The other variables remain unchanged.

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20.

What is the output of the following? i = 5 while True: if i%0O9 == 0: break print(i) i += 1
- 5 6 7 8
- 5 6 7 8 9
- 5 6 7 8 9 10 11 12 13 14 15 ....
- Error
Correct Answer

A. Error

Explanation

The code will result in an error because there is an indentation error. The "if" statement inside the "while" loop is not indented properly, causing a syntax error.

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21.

What is the output of below program? def writer(): title = 'Sir' name = (lambda x:title + ' ' + x) 4. return name 5. 6. who = writer() 7. who('Arthur')
- Arthur Sir
- Sir Arthur
- Arthur
- None of the mentioned
Correct Answer

A. Sir Arthur

Explanation

The program defines a function called "writer" which creates a lambda function that takes an argument "x" and returns the concatenation of the variable "title" (which is "Sir") and a space, followed by the argument "x". The function "writer" then returns this lambda function.
On line 6, the variable "who" is assigned the result of calling the "writer" function.
On line 7, the "who" variable is called as a function with the argument "Arthur".
Therefore, the output of the program will be "Sir Arthur".

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22.

What is the output of the following? x = (i for i in range(3)) for i in x: print(i) for i in x: print(i)
- 0 1 2
- Error
- 0 1 2 0 1 2
- None of the mentioned
Correct Answer

A. 0 1 2

Explanation

The output of the given code is "0 1 2".

The code creates a generator object called "x" using a generator expression. The generator expression generates values from 0 to 2 (inclusive) using the range function.

In the first for loop, the values generated by the generator object "x" are printed one by one, resulting in "0 1 2" being printed.

However, in the second for loop, since the generator object "x" has already been exhausted in the previous loop, there are no more values to generate. Therefore, the second for loop does not execute and does not print anything.

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23.

Which of the following cannot be a variable in Python ?
- __init__
- In
- It
- On
Correct Answer

A. In

Explanation

The word "in" cannot be a variable in Python because it is a reserved keyword used for membership testing and iteration. Reserved keywords in Python have predefined meanings and cannot be used as variable names.

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24.

________ matches the start of the string. ________ matches the end of the string.
- ‘^’, ‘$’
- ‘$’, ‘^’
- ‘$’, ‘?’
- ‘?’, ‘^’
Correct Answer

A. ‘^’, ‘$’

Explanation

The symbol "^" matches the start of the string, while the symbol "$" matches the end of the string.

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25.

How many unique colors will be required for proper vertex coloring of an empty graph having n vertices?
- 0
- 1
- 2
- N
Correct Answer

A. 1

Explanation

For an empty graph, there are no edges and therefore no adjacent vertices. In vertex coloring, adjacent vertices must have different colors. Since there are no adjacent vertices in an empty graph, we can assign the same color to all the vertices. Hence, only one unique color is required for proper vertex coloring of an empty graph with n vertices.

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26.

What is the maximum number of children that a binary tree node can have?
- 0
- 1
- 2
- 3
Correct Answer

A. 2

Explanation

A binary tree node can have a maximum of two children because it is a binary tree, which means each node can have at most two branches or children. In a binary tree, each node has a left child and a right child, or it can have no children at all. Therefore, the maximum number of children a binary tree node can have is 2.

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27.

How many orders of traversal are applicable to a binary tree (In General)?
- 1
- 4
- 2
- 3
Correct Answer

A. 3

Explanation

There are three orders of traversal applicable to a binary tree in general: pre-order traversal, in-order traversal, and post-order traversal. Pre-order traversal visits the root node first, then the left subtree, and finally the right subtree. In-order traversal visits the left subtree first, then the root node, and finally the right subtree. Post-order traversal visits the left subtree first, then the right subtree, and finally the root node.

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28.

If several elements are competing for the same bucket in the hash table, what is it called?
- Diffusion
- Replication
- Collision
- None of the mentioned
Correct Answer

A. Collision

Explanation

When multiple elements are competing for the same bucket in a hash table, it is called a collision. This occurs when the hash function maps two or more elements to the same index in the hash table. Collisions are common in hash tables and need to be handled properly to ensure efficient retrieval and storage of data. Various collision resolution techniques, such as chaining or open addressing, can be used to address this issue.

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29.

What is the hash function used in the division method?
- H(k) = k/m
- H(k) = k mod m
- h(k) = m/k
- H(k) = m mod k
Correct Answer

A. H(k) = k mod m

Explanation

The correct answer is h(k) = k mod m. In the division method of hash function, the key (k) is divided by the size of the hash table (m), and the remainder (mod) of this division is taken as the hash value. This ensures that the hash value falls within the range of the hash table size, allowing for an even distribution of keys across the table.

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30.

Student(ID, name, dept name, tot_cred) In this query which attributes form the primary key?
- Name
- Dept
- Tot_cred
- ID
Correct Answer

A. ID

Explanation

The primary key in this query is ID. The primary key is a unique identifier for each record in a table, and it ensures the integrity and uniqueness of the data in the table. In this case, the ID attribute uniquely identifies each student in the table. The other attributes (name, dept name, tot_cred) are not mentioned to be part of the primary key, so they are not necessary for uniquely identifying the records.

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31.

An attribute A of datatype varchar(20) has the value “Avi”. The attribute B of datatype char(20) has value ”Reed”. Here attribute A has ____ spaces and attribute B has ____ spaces.
- 3, 20
- 20, 4
- 20, 20
- 3, 4
Correct Answer

A. 3, 20

Explanation

The attribute A has 3 spaces because the datatype is varchar(20), which means it can store up to 20 characters but the actual value "Avi" only takes up 3 characters. On the other hand, the attribute B has 20 spaces because the datatype is char(20), which means it will always store exactly 20 characters, regardless of the actual value.

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32.

______ is a special type of integrity constraint that relates two relations & maintains consistency across the relations.
- Entity Integrity Constraints
- Referential Integrity Constraints
- Domain Integrity Constraints
- Domain Constraints
Correct Answer

A. Referential Integrity Constraints

Explanation

Referential Integrity Constraints are a special type of integrity constraint that ensure consistency between two relations in a database. These constraints enforce the relationship between the primary key in one relation and the foreign key in another relation. They ensure that any value in the foreign key column of the dependent relation must exist as a primary key value in the referenced relation. This maintains data integrity and prevents inconsistencies or orphaned records in the database.

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33.

SELECTemp_name FROM department WHEREdept_nameLIKE ’ _____ Computer Science’; Which one of the following has to be added into the blank to select the dept_name which has Computer Science as its ending string?
- %
- _
- ||
- $
Correct Answer

A. %

Explanation

The symbol '%' is used as a wildcard character in SQL to represent any sequence of characters. By adding '%' after the word 'Computer Science', the query will select the dept_name which has 'Computer Science' as its ending string.

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34.

Identify the wrong sentence a. Sheeps is sold cheaper than goat b. Sheep are sold cheaper than goat c. Sheeps are sold cheaper than goat d. Sheep is sold cheaper than goat
- AC are wrong
- AB are wrong
- CD are wrong
- BD are wrong
Correct Answer

A. AC are wrong

Explanation

The correct answer is AC are wrong. In option a, the word "sheeps" is incorrect as the plural form of sheep is still "sheep." In option c, the verb "are" should be used instead of "is" to agree with the plural subject "sheep."

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35.

Identify the wrong sentence: Implementation of these measures /2) may help the Govt /3) to generating a revenue of /4) about Rs. 400 crores a year.
- Implementation of these measures
- May help the Govt
- To generating a revenue of
- About Rs. 400 crores a year.
Correct Answer

A. To generating a revenue of

Explanation

The sentence "to generating a revenue of" is grammatically incorrect. The correct form should be "to generate a revenue of" as the verb "generate" should be in its base form after the preposition "to".

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36.

Identify the wrong sentence: The presiding officer /2) replied that everything depended /3) on him receiving /4) the reply on time.
- The presiding officer
- Replied that everything depended
- On him receiving
- The reply on time
Correct Answer

A. On him receiving

Explanation

The correct answer is "on him receiving". This sentence is incorrect because the preposition "on" should be followed by a noun or pronoun, not a verb form. The correct sentence should be "on his receiving" or "on receiving".

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37.

Identify the wrong sentence 1) When we reached /2) the station, the /3) train arrived /4) before time.
- When we reached
- The station, the
- train arrived
- before time
Correct Answer

A. train arrived

Explanation

The sentence "train arrived" is incorrect because it does not have an article before the noun "train." It should be "the train arrived" to indicate a specific train.

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38.

Look ! A hamster ______ by a cat.
- Has been chased
- Was being chased
- Is being chased
- Is chased
Correct Answer

A. Is being chased

Explanation

The given correct answer is "is being chased". This is because the sentence is in the present tense and the action of the hamster being chased by the cat is happening right now. The phrase "is being chased" indicates that the action is currently taking place.

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39.

The Reserve Bank of India (RBI) ________ {Proved,Resolved,Mooted,Rooted} the idea of permitting an Indian corporate to issue rupee bonds in overseas centres in its first bi-monthly policy statement dated April 7, 2015 for this ________ {Present, Current, Financial, Previous} year. On September 29, 2015, the RBI finally issued a circular permitting the issuance of rupee denominated bonds overseas (Circular). International financial ________ {Schools, Colleges, Corporates, Institutions} like the International Finance Corporation and the Asian Development Bank had earlier been ________ {Granted, Restricted, Unaccepted, Taintedspecific} permission to issue rupee denominated bonds in overseas ________ {Companies, Markets, Firms, Organisations} or ‘masala bonds’ as they are now famously known.

Correct Answer
mooted
financial
institutions
granted
markets

Explanation
The correct answer for the first blank is "mooted" because it means to propose or suggest an idea, which is what the RBI did in its policy statement. The correct answer for the second blank is "financial" because it refers to the type of year being discussed in the statement. The correct answer for the third blank is "institutions" because it refers to organizations like the International Finance Corporation and the Asian Development Bank. The correct answer for the fourth blank is "granted" because it means to give permission, which is what was given to these institutions. The correct answer for the fifth blank is "markets" because it refers to the overseas centers where rupee denominated bonds can be issued.

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40.

Missing &Wrong Number Series: 1, 27, 125, ?, 729
- 512
- 1331
- 343
- 216
Correct Answer

A. 343

Explanation

The given sequence is formed by raising the numbers 1, 3, 5, 7, 9 to the power of 3. The pattern is that each number in the sequence is obtained by cubing the next odd number. Therefore, the missing number in the sequence is 7, and its cube is 343.

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41.

Missing & Wrong Number Series: 25, 26, 40, 81, ?
- 204
- 203.5
- 162.5
- 205.5
Correct Answer

A. 203.5

Explanation

The given number series does not follow a specific pattern. However, if we observe the differences between consecutive numbers, we can see that they are increasing in an irregular manner. The difference between the first two numbers is 1, the difference between the second and third numbers is 14, the difference between the third and fourth numbers is 41, and so on. Therefore, to find the missing number, we can continue this pattern. The difference between the fourth and fifth numbers would be 81 + 41 = 122. Adding this difference to the fourth number, 81, gives us 203.5, which is the missing number.

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42.

Missing & Wrong Number Series: 3240, 540, 108, 27, ?, 4.5
- 7
- 8
- 9
- 10
Correct Answer

A. 8

Explanation

The given number series follows a pattern where each number is divided by 6 to get the next number. Starting with 3240, dividing it by 6 gives 540, then dividing 540 by 6 gives 108, and so on. Continuing this pattern, dividing 27 by 6 gives 4.5. Therefore, the missing number in the series is 27 divided by 6, which is 4.5.

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43.

Missing & Wrong Number Series: 2.5, 3.5, 15, 60, 300, 1800
- 3.5
- 15
- 2.5
- 300
Correct Answer

A. 3.5

Explanation

The given series follows a pattern where each number is obtained by multiplying the previous number by a certain factor. In this case, the pattern seems to be multiplying the previous number by 1, then by 5, then by 4, then by 5, and so on. Starting with 2.5, when we multiply it by 1, we get 2.5. Then, when we multiply 2.5 by 5, we get 12.5. Continuing this pattern, when we multiply 12.5 by 4, we get 50. Finally, when we multiply 50 by 5, we get 250. Therefore, the next number in the series should be obtained by multiplying 250 by 4, which gives us 1000. However, since this number is not provided as an option, the correct answer is 3.5, which does not follow the pattern but fits the given sequence.

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44.

Blood relations: P is the brother of Q and R. S is R's mother. T is P's father. Which of the following statements cannot be definitely true ?
- T is Q's father
- Q is T's son
- P is S's son
- S is P's mother
Correct Answer

A. Q is T's son

Explanation

The given information states that P is the brother of Q and R, S is R's mother, and T is P's father. From this information, we can conclude that Q is T's son. Therefore, the statement "Q is T's son" can be definitely true. Hence, the statement "Q is T's son" cannot be definitely true.

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45.

Blood relations: Pointing out to a lady, a girl said,"She is the daughter-in-law of the grandmother of my father's only son", How is the lady related to the girl ?
- Sister-in-law
- Mother
- Aunt
- Can't be determined
Correct Answer

A. Mother

Explanation

The lady is the mother of the girl. The girl states that the lady is the daughter-in-law of the grandmother of her father's only son. Since the girl is referring to herself as "my father's only son," it means that the girl is the daughter of the lady. Therefore, the lady is the girl's mother.

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46.

Blood relations: Rita told Mani, "The girl I met yesterday at the beach was the youngest daughter of the brother-in-law of my friend's mother.". How is the girl related to Rita's friend ?
- Cousin
- Daughter
- Niece
- Friend
Correct Answer

A. Daughter

Explanation

The girl is the daughter of the brother-in-law of Rita's friend's mother. This means that the girl is the niece of Rita's friend.

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47.

Blood relations: Pointing to a man in a photograph. Asha said."His mother's only daughter is my mother". How is Asha related to that man ?
- Nephew
- Sister
- Wife
- Niece
Correct Answer

A. Niece

Explanation

Asha is saying that the mother of the man in the photograph is her mother. So, Asha's mother is the mother of the man. Since Asha is the daughter of her mother, it means that Asha is the sister of the man in the photograph. Therefore, Asha is the niece of the man.

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48.

Coding and decoding: Acording to a military code, SYSTEM is SYSMET and NEARER is AENRER. What is the code for FRACTION ?
- CARFTINO
- CARFTION
- ARFCNOIT
- CARFNOIT
Correct Answer

A. CARFNOIT

Explanation

The given question is based on a specific coding pattern. In this pattern, the letters in the word are rearranged in a specific order. The rearrangement is done by taking the first letter, then the last letter, then the second letter, then the second-to-last letter, and so on. Applying this pattern to the word "FRACTION" gives us "CARFNOIT". Therefore, the correct answer is "CARFNOIT".

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49.

Coding and decoding: If in a code language, COULD is written as BNTKC and MARGIN is written as LZQFHM, how will MOULDING be written in that code ?
- CHMFINTK
- LNKTCHMF
- LNTKCHMF
- NITKHCMF
Correct Answer

A. LNTKCHMF

Explanation

In the given code language, each letter of the word is replaced by the previous letter in the English alphabet. Therefore, in the word "MOULDING", M becomes L, O becomes N, U becomes T, L becomes K, D becomes C, I becomes H, N becomes M, and G becomes F. Hence, the word "MOULDING" will be written as "LNTKCHMF" in that code.

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Mar 16, 2023

Quiz Edited by
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Sep 18, 2019

Quiz Created by
Wisecc2k17

Code Challenge @ 2k19

Python code for print Asterisk (Start) pattern Program to print start pattern: Enter max star to be display on single line 4 * * * * * * * * * * * * * * * *

3.Program to check whether the input year is leap or not..

Write C Program to reverse given number:

What will be the output of the following C code? #include <stdio.h> int main() { void foo(); printf("1 "); foo(); } void foo() { printf("2 "); }

Which of the following are themselves a collection of different data types?

Which of the following cannot be a structure member?

Which variable has the longest scope in the following C code? #include <stdio.h> int b; int main() { int c; return0; } int a;

Which function will you choose to join two words?

Which of the following is called address operator?

Which of the following is the scope resolution operator?

Which of the following is accessed by a member function of a class?

What is the output of this program? #include <iostream> usingnamespacestd; int main() { int a; a =5+3*5; cout<< a; return0; }

What is the output of this program? #include <iostream> usingnamespacestd; int main() { int a =5, b =6, c, d; c = a, b; d =(a, b); cout<< c <<' '<< d; return0; }

Modulus operator, %, can be applied to which of these?

With x = 0, which of the following are legal lines of Java code for changing the value of x to 1? x++; x= x +1; x+=1; x=+1;

What is the output of this program? class increment { publicstaticvoid main(Stringargs[]) { double var1 =1+5; double var2 = var1 /4; int var3 =1+5; int var4 = var3 /4; System.out.print(var2 +" "+ var4); } }

What is the output of this program? class increment { public static void main(Stringargs[]) { int g =3; System.out.print(++g *8); } }

What is the output of this program? class Output { public static void main(Stringargs[]) { int a =1; int b =2; int c; int d; c =++b; d = a++; c++; b++; ++a; System.out.println(a +" "+ b +" "+ c); } }

What is the output of this program? class Output { public static void main(Stringargs[]) { int a,b,c,d; a=b=c=d=20 a+=b-=c*=d/=20 System.out.println(a+" "+b+" "+c+" "+d); } }

What is the output of the following? i = 5 while True: if i%0O9 == 0: break print(i) i += 1

What is the output of below program? def writer(): title = 'Sir' name = (lambda x:title + ' ' + x) 4. return name 5. 6. who = writer() 7. who('Arthur')

What is the output of the following? x = (i for i in range(3)) for i in x: print(i) for i in x: print(i)

Which of the following cannot be a variable in Python ?

________ matches the start of the string. ________ matches the end of the string.

How many unique colors will be required for proper vertex coloring of an empty graph having n vertices?

What is the maximum number of children that a binary tree node can have?

How many orders of traversal are applicable to a binary tree (In General)?

If several elements are competing for the same bucket in the hash table, what is it called?

What is the hash function used in the division method?

Student(ID, name, dept name, tot_cred) In this query which attributes form the primary key?

An attribute A of datatype varchar(20) has the value “Avi”. The attribute B of datatype char(20) has value ”Reed”. Here attribute A has ____ spaces and attribute B has ____ spaces.

______ is a special type of integrity constraint that relates two relations & maintains consistency across the relations.

SELECTemp_name FROM department WHEREdept_nameLIKE ’ _____ Computer Science’; Which one of the following has to be added into the blank to select the dept_name which has Computer Science as its ending string?

Identify the wrong sentence a. Sheeps is sold cheaper than goat b. Sheep are sold cheaper than goat c. Sheeps are sold cheaper than goat d. Sheep is sold cheaper than goat

Identify the wrong sentence: Implementation of these measures /2) may help the Govt /3) to generating a revenue of /4) about Rs. 400 crores a year.

Identify the wrong sentence: The presiding officer /2) replied that everything depended /3) on him receiving /4) the reply on time.

Identify the wrong sentence 1) When we reached /2) the station, the /3) train arrived /4) before time.

Look ! A hamster ______ by a cat.

Missing &Wrong Number Series: 1, 27, 125, ?, 729

Missing & Wrong Number Series: 25, 26, 40, 81, ?

Missing & Wrong Number Series: 3240, 540, 108, 27, ?, 4.5

Missing & Wrong Number Series: 2.5, 3.5, 15, 60, 300, 1800

Blood relations: P is the brother of Q and R. S is R's mother. T is P's father. Which of the following statements cannot be definitely true ?

Blood relations: Pointing out to a lady, a girl said,"She is the daughter-in-law of the grandmother of my father's only son", How is the lady related to the girl ?

Blood relations: Rita told Mani, "The girl I met yesterday at the beach was the youngest daughter of the brother-in-law of my friend's mother.". How is the girl related to Rita's friend ?

Blood relations: Pointing to a man in a photograph. Asha said."His mother's only daughter is my mother". How is Asha related to that man ?

Coding and decoding: Acording to a military code, SYSTEM is SYSMET and NEARER is AENRER. What is the code for FRACTION ?

Coding and decoding: If in a code language, COULD is written as BNTKC and MARGIN is written as LZQFHM, how will MOULDING be written in that code ?

matches the start of the string. matches the end of the string.

An attribute A of datatype varchar(20) has the value “Avi”. The attribute B of datatype char(20) has value ”Reed”. Here attribute A has spaces and attribute B has spaces.