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What is the missing number '?' in the series. 16, 36, 64, ?
Question

What is the missing number '?' in the series.
16, 36, 64, ?

A.

81

B.

121

C.

90

D.

100

Correct option is D

Given: 16, 36, 64, ?
Logic: Numbers are perfect square of even numbers from 4.
16 = 42
36 = 62
64 = 82
Similarly,
Next even number is 10
102= 100
The missing term is 100.
Thus, correct option is (d).

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