# Number Series

## Number Series

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 Question 1
Look at this series: 7, 10, 8, 11, 9, 12, ... What number should come next?
 A 7 B 10 C 12 D 13
Question 1 Explanation:
This is a simple alternating addition and subtraction series. In the first pattern, 3 is added; in the second, 2 is subtracted.
 Question 2
Look at this series: 36, 34, 30, 28, 24, ... What number should come next?
 A 20 B 22 C 23 D 26
Question 2 Explanation:
This is an alternating number subtraction series. First, 2 is subtracted, then 4, then 2, and so on.
 Question 3
Look at this series: 22, 21, 23, 22, 24, 23, ... What number should come next?
 A 22 B 24 C 25 D 26
Question 3 Explanation:
In this simple alternating subtraction and addition series; 1 is subtracted, then 2 is added, and so on.
 Question 4
Look at this series: 53, 53, 40, 40, 27, 27, ... What number should come next?
 A 12 B 14 C 27 D 53
Question 4 Explanation:
In this series, each number is repeated, then 13 is subtracted to arrive at the next number.
 Question 5
Look at this series: 21, 9, 21, 11, 21, 13, 21, ... What number should come next?
 A 14 B 15 C 21 D 23
Question 5 Explanation:
In this alternating repetition series, the random number 21 is interpolated every other number into an otherwise simple addition series that increases by 2, beginning with the number 9.
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There are 5 questions to complete.

### 2 thoughts on “Number Series”

• March 2, 2018 at 4:57 pm