Instructions

What will come in place of question mark (?) in the following number series.?

Question 134

8, 9, 20, 63, ??

Solution

The number series given above follows the pattern given below.

9 = 8*1 + 1
20 = 9*2 + 2
63 = 20*3 + 3

So, the number to come next is 63*4 + 4 = 256

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