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Number Series

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

6
3
(2/3)
27

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Number Series
21 25 18 29 33 18

41 44
43 18
37 18
38 41
37 41

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

This is a simple addition series with a random number, 18, interpolated as every third number. In the series, 4 is added to each number except 18, to arrive at the next number.

Number Series
1 10 7 20 13 30 19

29 36
25 31
40 25
26 40
40 50

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Here, every other number follows a different pattern. In the first series, 6 is added to each number to arrive at the next. In the second series, 10 is added to each number to arrive at the next.

Number Series
Look at this series: 22, 21, 23, 22, 24, 23, ... What number should come next?

24
26
25
22

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

In this simple alternating subtraction and addition series; 1 is subtracted, then 2 is added, and so on.

Number Series
75 65 85 55 45 85 35

35 25
25 15
25 85
85 35
25 75

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
4 8 22 12 16 22 20 24

22 28
28 22
28 32
22 26
32 36

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

This is an alternating repetition series, with a random number, 22, interpolated as every third number into an otherwise simple addition series. In the addition series, 4 is added to each number to arrive at the next number.

MORE MCQ ON Number Series

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