Instructions

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

Question 94

8, 9, 13, 22, ??

Solution

The differences between consecutive terms of the number series are perfect squares.

For example, 9-8 = 1
13-9 = 4
22-13 = 9

Hence, the number to come next is 22+16 = 38

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