Question

In the following number series, one term does not fit into the series. Find the wrong term.

$1,3,8,15,24,35$

• A. $1$
• B. $8$
• C. $24$
• D. $35$

Answer 1

The correct option is A $1$

All the terms except $1$ are of the form $n^2-1$.
$n=2$ for $3$
$n=3$ for $8$
$n=4$ for $15$ and so on.