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Number Series

Number Series
Look at this series: 72, 76, 73, 77, 74, __, 75, ... What number should fill the blank?

70
75
71
78

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

This series alternates the addition of 4 with the subtraction of 3.

Number Series
9 16 23 30 37 44 51

58 65
58 66
59 66
54 61
56 62

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Here is a simple addition series, which begins with 9 and adds 7.

Number Series
13 29 15 26 17 23 19

20 17
20 21
25 27
22 20
21 23

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
7 9 66 12 14 66 17

66 20
20 66
19 66
19 22
66 19

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

This is an alternating addition series with repetition, in which a random number, 66, is interpolated as every third number. The regular series adds 2, then 3, then 2, and so on, with 66 repeated after each "add 2" step.

Number Series
10 20 25 35 40 50 55

60 70
65 70
60 65
60 75
70 65

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?

13
20
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.

MORE MCQ ON Number Series

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