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Number Series

Number Series
Look at this series: (1/9), (1/3), 1, ____ , 9, ... What number should fill the blank?

(2/3)
27
3
6

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

This is a multiplication series; each number is 3 times the previous number.

Number Series
9 16 23 30 37 44 51

58 66
56 62
59 66
54 61
58 65

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Number Series
Look at this series: 21, 9, 21, 11, 21, 13, 21, ... What number should come next?

15
14
21
23

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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.

Number Series
40 40 31 31 22 22 13

9 4
13 4
13 5
4 4
4 13

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

This is a subtraction series with repetition. Each number repeats itself and then decreases by 9.

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

15
28
20
13

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
84 78 72 66 60 54 48

42 32
42 36
44 34
38 32
40 34

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

In this simple subtraction series, each number is 6 less than the previous number.

MORE MCQ ON Number Series

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