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Number Series

Number Series
10 20 25 35 40 50 55

65 70
60 75
70 65
60 65
60 70

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

This is an alternating addition series, in which 10 is added, then 5, then 10, and so on.

Number Series
Look at this series: 4, 7, 25, 10, __, 20, 16, 19, ... What number should fill the blank?

20
13
15
28

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Two series alternate here, with every third number following a different pattern. In the main series, 3 is added to each number to arrive at the next. In the alternating series, 5 is subtracted from each number to arrive at the next.

Number Series
13 29 15 26 17 23 19

22 20
21 23
20 17
20 21
25 27

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Here, there are two alternating patterns, with every other number following a different pattern. The first pattern begins with 13 and adds 2 to each number to arrive at the next; the alternating pattern begins with 29 and subtracts 3 each time.

Number Series
32 29 26 23 20 17 14

11 8
11 7
12 8
32 29
10 9

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

In this simple subtraction series, the numbers decrease by 3.

Number Series
75 65 85 55 45 85 35

25 75
25 85
35 25
25 15
85 35

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

This is a simple subtraction series in which a random number, 85, is interpolated as every third number. In the subtraction series, 10 is subtracted from each number to arrive at the next.

Number Series
Look at this series: 36, 34, 30, 28, 24, ... What number should come next?

22
23
26
20

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

This is an alternating number subtraction series. First, 2 is subtracted, then 4, then 2, and so on.

MORE MCQ ON Number Series

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