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In following number series, two terms have been put within brackets. Choose the appropriate option

Which is the number that comes next in the following sequence ?4, 6, 12, 14, 28, 30, (.....)

Option:
A. 32
B. 60
C. 62
D. 64
Answer: B . 60

Justification:

The given sequence is a combination of two series :
I. 4, 12, 28, (.....)     and
II. 6, 14, 30.
Now, the pattern followed in each of the above two series is :
+ 8, + 16, + 32, ... .
So, missing number = (28 + 32) = 60.
Hence, the answer is (b).

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