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Number Series

Number Series
8 12 9 13 10 14 11

15 19
8 15
8 5
15 12
14 11

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

This is an alternating addition and subtraction series, in which the addition of 4 is alternated with the subtraction of 3.

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
2 8 14 20 26 32 38

32 26
40 42
2 46
44 50
42 48

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

This is a simple addition series, which begins with 2 and adds 6.

Number Series
28 25 5 21 18 5 14

10 7
10 5
5 10
11 5
11 8

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

This is an alternating subtraction series with the interpolation of a random number, 5, as every third number. In the subtraction series, 3 is subtracted, then 4, then 3, and so on.

Number Series
42 40 38 35 33 31 28

25 22
26 22
25 23
26 24
26 23

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

This is an alternating subtraction series in which 2 is subtracted twice, then 3 is subtracted once, then 2 is subtracted twice, and so on.

Number Series
Look at this series: 3, 4, 7, 8, 11, 12, ... What number should come next?

15
14
7
10

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

This alternating addition series begins with 3; then 1 is added to give 4; then 3 is added to give 7; then 1 is added, and so on.

MORE MCQ ON Number Series

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