Number Sequences Quiz

Reviewed by Janaisa Harris
Janaisa Harris, BA (Mathematics) |
High School Math Teacher
Review Board Member
Janaisa Harris, an experienced educator, has devoted 4 years to teaching high school math and 6 years to tutoring. She holds a bachelor's degree in Mathematics (Secondary Education, and Teaching) from the University of North Carolina at Greensboro and is currently employed at Wilson County School (NC) as a mathematics teacher.
 , BA (Mathematics)
By Alexteakle
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Alexteakle
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Quizzes Created: 1 | Total Attempts: 15,385
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  • 1/10 Questions

    What number comes next in the sequence: 1, 3, 5, 7...?

    • 11
    • 9
    • 8
    • 21
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About This Quiz

Are you a master of patterns and sequences? Test your numerical prowess with the engaging "Number Sequences Quiz"! This quiz is designed to challenge your ability to identify and complete number sequences, putting your pattern recognition skills to the test. From simple arithmetic progressions to complex mathematical patterns, each question presents a unique sequence waiting to be deciphered.

Sharpen your logical thinking and mental agility as you work your way through a series of mind-bending number sequences. Challenge yourself, compete with friends, and unlock the secrets of numerical patterns. Get ready to embark on an exciting quiz adventure that will put your numerical instincts to the ultimate test!

Number Sequences Quiz - Quiz

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  • 2. 

    Find the missing number in the sequence: 3, 6, 9, __, 15.

    • 10

    • 11

    • 12

    • 13

    Correct Answer
    A. 12
    Explanation
    The missing number in the sequence is 12. The given sequence follows a pattern of adding 3 to each number. Starting with 3, we add 3 to get 6, then add 3 again to get 9. Following the same pattern, we add 3 to 9 to get 12, and then add 3 again to get 15. Therefore, the missing number is 12.

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  • 3. 

    Find the missing number in the sequence: 25, 24, __, 22, 21.

    • 18

    • 23

    • 20

    • 19

    Correct Answer
    A. 23
    Explanation
    The sequence is decreasing by 1 each time. Starting from 25, each subsequent number is 1 less than the previous number. Therefore, the missing number should be 23.

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  • 4. 

    What is the missing number in the sequence: 7, 14, __, 28, 35?

    • 21

    • 20

    • 24

    • 25

    Correct Answer
    A. 21
    Explanation
    The sequence is formed by multiplying each number by 2 or adding 7. Starting with 7, we get 7*2=14, then 14*2=28, and finally 28*2=56. However, the sequence given stops at 35, which is not the result of multiplying 28 by 2. Therefore, the missing number should be the result of multiplying 35 by 2, which is 70. However, none of the answer choices include 70, so the correct answer is 21, which is the only option that is not a result of multiplying by 2.

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  • 5. 

    Which number is missing in the sequence: 5, 10, 15, __, 25, 30?

    • 19

    • 24

    • 20

    • 26

    Correct Answer
    A. 20
    Explanation
    The sequence follows a pattern of adding 5 to each number. Starting from 5, the next number is 10, then 15, and so on. Therefore, the missing number should be 20, as it follows the pattern of adding 5 to the previous number.

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  • 6. 

    Complete the number sequence: 4, 7, 11, 16, 22, ___.

    • 30

    • 29

    • 32

    • 34

    Correct Answer
    A. 29
    Explanation
    The given number sequence follows a pattern where each number is obtained by adding an increasing odd number to the previous number. Starting with 4, we add 3 to get 7, then add 4 to get 11, then add 5 to get 16, then add 6 to get 22. Therefore, the next number in the sequence should be obtained by adding 7 to 22, resulting in 29.

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  • 7. 

    Complete the number sequence: 2, 5, 9, 14, 20, ___.

    • 30

    • 28

    • 27

    • 32

    Correct Answer
    A. 27
    Explanation
    The number sequence follows a pattern where each number is obtained by adding the previous number and a specific increment. In this case, the increments are 3, 4, 5, 6, and 7 respectively. Therefore, to find the missing number, we add 7 to the previous number (20) resulting in 27.

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  • 8. 

    What is the next number in the sequence: 1, 3, 6, 10, 15, ___?

    • 21

    • 18

    • 22

    • 25

    Correct Answer
    A. 21
    Explanation
    The sequence is formed by adding consecutive natural numbers. Starting with 1, we add 2 to get 3, then add 3 to get 6, and so on. Therefore, to find the next number, we add 6 to 15, which gives us 21.

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  • 9. 

    What number comes next in the sequence: 3, 6, 12, 24, ___?

    • 48

    • 36

    • 30

    • 42

    Correct Answer
    A. 48
    Explanation
    The sequence is formed by multiplying each number by 2. Starting with 3, we get 6, then 12, then 24, and the next number in the sequence would be 48, which is obtained by multiplying 24 by 2.

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  • 10. 

    What number is missing in the sequence: 12, 10, 8, __, 4, 2?

    • 1

    • 3

    • 5

    • 6

    Correct Answer
    A. 6
    Explanation
    The sequence is decreasing by 2 each time. Starting from 12, subtracting 2 gives 10, then 8, and so on. Therefore, the missing number in the sequence should be 6.

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Janaisa Harris |BA (Mathematics) |
High School Math Teacher
Janaisa Harris, an experienced educator, has devoted 4 years to teaching high school math and 6 years to tutoring. She holds a bachelor's degree in Mathematics (Secondary Education, and Teaching) from the University of North Carolina at Greensboro and is currently employed at Wilson County School (NC) as a mathematics teacher.

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  • Current Version
  • Apr 03, 2025
    Quiz Edited by
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    Expert Reviewed by
    Janaisa Harris
  • Oct 10, 2011
    Quiz Created by
    Alexteakle
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