Number Series Questions and Answers
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In each series, look for the degree and direction of change between the numbers. In other words, do the numbers increase or decrease, and by how much

Look at this series: 1.5, 2.3, 3.1, 3.9, ... What number should come next?


A. 4.2
B. 4.4
C. 4.7
D. 5.1

Answer & Explanation:

Answer: Option C

Explanation: In this simple addition series, each number increases by 0.8.



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Look at this series: 14, 28, 20, 40, 32, 64, ... What number should come next?


A. 52
B. 56
C. 96
D. 128

Answer & Explanation:

Answer: Option B

Explanation: This is an alternating multiplication and subtracting series: First, multiply by 2 and then subtract 8.



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Look at this series: 2, 4, 6, 8, 10, ... What number should come next?


A. 11
B. 12
C. 13
D. 14

Answer & Explanation:

Answer: Option B

Explanation: This is a simple addition series. Each number increases by 2.



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Look at this series: 201, 202, 204, 207, ... What number should come next?


A. 205
B. 208
C. 210
D. 211

Answer & Explanation:

Answer: Option D

Explanation: In this addition series, 1 is added to the first number; 2 is added to the second number; 3 is added to the third number; 4 is added to the fourth number; and go on.



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Look at this series: 544, 509, 474, 439, ... What number should come next?


A. 404
B. 414
C. 420
D. 445

Answer & Explanation:

Answer: Option A

Explanation: This is a simple subtraction series. Each number is 35 less than the previous number.



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