Math And Science Basic Test! Trivia Quiz

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Freshman

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Quizzes Created: 1 | Total Attempts: 4,680

Questions: 15 | Attempts: 4,878 | Updated: Oct 14, 2024

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Questions and Answers

1.

The Greek prefix "kilo" means
- A.
  
  10
- B.
  
  100
- C.
  
  1000
- D.
  
  1/1000
Correct Answer
C. 1000

Explanation
The Greek prefix "kilo" means 1000. This prefix is commonly used in the metric system to indicate a multiplication by 1000. For example, a kilogram is equal to 1000 grams and a kilometer is equal to 1000 meters. The prefix "kilo" comes from the Greek word "khilioi" which means thousand.

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34
0
2.

The basic unit of mass in the metric system is
- A.
  
  Litre
- B.
  
  Second
- C.
  
  Gram
- D.
  
  Pound
Correct Answer
C. Gram

Explanation
The basic unit of mass in the metric system is the gram. The gram is a unit of measurement for mass and is used to quantify the amount of matter in an object. It is a smaller unit compared to the pound, which is used in the imperial system. The litre is a unit of volume, and the second is a unit of time, so they are not the correct units for measuring mass. Therefore, the correct answer is gram.

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16
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3.

If your body temperature is 37 degrees Celsius, your temperature is -
- A.
  
  Low
- B.
  
  High
- C.
  
  Normal
- D.
  
  Unpredictable
Correct Answer
C. Normal

Explanation
A body temperature of 37 degrees is considered normal. The average normal body temperature for adults is around 37 degrees Celsius or 98.6 degrees Fahrenheit. This temperature indicates that the body is functioning within the normal range and is not experiencing a fever or hypothermia.

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18
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4.

The freezing point of water is:
- A.
  
  273 K
- B.
  
  0 degree
- C.
  
  32 degrees Fahrenheit
- D.
  
  All of these
Correct Answer
D. All of these

Explanation
The freezing point of water can be expressed in different temperature scales:
273 Kelvin (K)
0 degrees Celsius (°C)
32 degrees Fahrenheit (°F)
Therefore, all of these options correctly represent the freezing point of water.

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4
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5.

One litre is equal to _____________centilitres.
- A.
  
  10
- B.
  
  100
- C.
  
  1/10
- D.
  
  1/100
Correct Answer
B. 100

Explanation
One litre is equal to 100 centilitres because there are 100 centilitres in one litre. This is a conversion factor commonly used to convert between these two units of volume.

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3
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6.

What is the value of n in the proportion 5/8 = n/40?
- A.
  
  10
- B.
  
  20
- C.
  
  25
- D.
  
  40
Correct Answer
C. 25

Explanation
In the given proportion 5/8 = n/40, we can cross multiply to find the value of n. Cross multiplying gives us 5 * 40 = 8 * n. Simplifying this equation gives us 200 = 8n. Dividing both sides by 8 gives us n = 25. Therefore, the value of n in the proportion is 25.

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6
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7.

A certain coin weighs about 5 grams. How many coins would weigh 2 kg?
- A.
  
  100
- B.
  
  200
- C.
  
  400
- D.
  
  500
Correct Answer
C. 400

Explanation
To find the number of coins that would weigh 2 kg, we need to convert the weight of the coins from grams to kilograms. Since 1 kg is equal to 1000 grams, we divide 2000 grams (2 kg) by 5 grams (weight of one coin). This gives us 400, which means that 400 coins would weigh 2 kg.

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9
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8.

Which of the following is not a monomial?
- A.
  
  -xyz
- B.
  
  5
- C.
  
  2x
- D.
  
  1/3xyz
Correct Answer
D. 1/3xyz

Explanation
A monomial is a mathematical expression that consists of only one term. In this case, all the options given are monomials except for 1/3xyz. This is because it is a fraction and contains multiple variables (x, y, and z), making it a polynomial rather than a monomial.

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4
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9.

What is the value of -5⁴?
- A.
  
  -20
- B.
  
  20
- C.
  
  625
- D.
  
  -625
Correct Answer
C. 625

Explanation
(-5)^4 means -5 multiplied by itself four times: -5 x -5 x -5 x -5 = 625. It's important to remember that any negative number raised to an even power results in a positive answer.

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9
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10.

Thirty less than a number is written as
- A.
  
  30 - n
- B.
  
  N - 30
- C.
  
  30>n
- D.
  
  N<30
Correct Answer
B. N - 30

Explanation
"Thirty less than a number" refers to subtracting 30 from a given number. If the number is represented by n, the correct expression is n - 30. Option A (30 - n) incorrectly reverses the subtraction, meaning 30 minus the number. Options C and D are inequalities, not expressions for subtraction, and thus do not represent "thirty less than a number."

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11.

What is the solution to the quadratic equation x^2 - 5x + 6 = 0?
- A.
  
  X = 2 and x = 3
- B.
  
  X = 1 and x = 6
- C.
  
  X = -2 and x = -3
- D.
  
  X = -1 and x = -6
Correct Answer
A. X = 2 and x = 3

Explanation
To solve the quadratic equation x^2 - 5x + 6 = 0, we can factor it as (x - 2)(x - 3) = 0. Setting each factor equal to zero gives us the solutions x = 2 and x = 3.

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6
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12.

Subtracting 5mn from -12mn is
- A.
  
  -17mn
- B.
  
  17mn
- C.
  
  7mn
- D.
  
  -7mn
Correct Answer
A. -17mn

Explanation
To subtract -5mn from -12mn, we can think of it as adding 5mn to -12mn. Since the signs are different, we subtract the smaller absolute value from the larger absolute value and keep the sign of the larger value, which is negative. Therefore, -12mn + 5mn equals -17mn.

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13.

What is x in the expression x+5 = 16?
- A.
  
  10
- B.
  
  11
- C.
  
  12
- D.
  
  13
Correct Answer
B. 11

Explanation
In the equation x + 5 = 16, the goal is to find the value of x. To isolate x, we need to subtract 5 from both sides of the equation. This will cancel out the +5 on the left side, leaving us with x = 16 - 5. Simplifying this further, we get x = 11. Therefore, the value of x in the expression is 11.

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5
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14.

Express 2.34x10³in decimal notation.
- A.
  
  2.343
- B.
  
  234
- C.
  
  2340
- D.
  
  23400
Correct Answer
C. 2340

Explanation
The correct answer is 2340. To express a number in decimal notation, we move the decimal point to the right or left based on the exponent. In this case, the exponent is 3, which means we need to move the decimal point 3 places to the right. Starting with 2.34, we move the decimal point to get 2340.

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15.

In 5 +3(2) - 6, which operation should be performed first?
- A.
  
  Addition
- B.
  
  Subtraction
- C.
  
  Multiplication
- D.
  
  Division
Correct Answer
C. Multiplication

Explanation
In the expression 5 + 3(2) - 6, the operation that should be performed first is multiplication. This is because according to the order of operations, multiplication and division should be done before addition and subtraction. In this case, the expression 3(2) represents the multiplication of 3 and 2, resulting in 6. Therefore, the multiplication should be performed first before proceeding with the addition and subtraction.

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Current Version
Oct 14, 2024

Quiz Edited by
ProProfs Editorial Team
Aug 15, 2011

Quiz Created by
Freshman

Math And Science Basic Test! Trivia Quiz

The Greek prefix "kilo" means

The basic unit of mass in the metric system is

If your body temperature is 37 degrees Celsius, your temperature is -

The freezing point of water is:

One litre is equal to _____________centilitres.

What is the value of n in the proportion 5/8 = n/40?

A certain coin weighs about 5 grams. How many coins would weigh 2 kg?

Which of the following is not a monomial?

What is the value of -54?

Thirty less than a number is written as

What is the solution to the quadratic equation x^2 - 5x + 6 = 0?

Subtracting 5mn from -12mn is

What is x in the expression x+5 = 16?

Express 2.34x103 in decimal notation.

In 5 +3(2) - 6, which operation should be performed first?

What is the value of -5⁴?

Express 2.34x10³in decimal notation.