1, 6, 31, 156, ……………
A.
B.
C.
D.
Answer & Solution
Solution:

The number series follows the following rule

1st number = 0x5+1 = 1
2nd number = 1x5+1 = 6
3rd number = 6x5+1 = 31
4th number = 31x5+1 = 156

5th number = 156x5+1 = 781

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