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Question

In following question, a number series is given with one term missing. Choose the correct alternative that will same pattern and fill in the blank spaces.

3, 6, 5, 20, 7, 42, 9,


A
54
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B
60
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C
66
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D
72
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Solution

The correct option is B 72
The sequence is a combination of two series :
I. 3, 5, 7, 9 and
II. 6, 20, 42, (....)
The pattern is followed in II is + 14, + 22,....
Missing number = 42 + 30 = 72.

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