In each of the following questions, find out the odd number in the series.
10, 13, 234, 681, 997

Options

A. (a) 681
B. (b) 10
C. (c) 234
D. (d) 13

Answer

A

Explanation

`10 implies 1 + 0 = 1`
`13 implies 1 + 3 = 4`
`681 implies 6 + 8 + 1 = 15`
`997 implies 9+ 9 + 7 = 25`
Consecutive square numbers are given.