Which number will come next in the following series?
9, 196, 25, 169, 49, 144, 81, ..........

Options

A. 121
B. 100
C. 64
D. 36

Answer

A

Explanation

9,196,25,169,49,144,81........ can be written as `3^(2),14^(2), 5^(2),13^(2),7^(2) , 12^(2),9^(2)…………..`
So , next number in the series should be `11^(2) = 121`
A is correct chocie .