Question

In the following question write which number in sequence replaces the question mark?
$37,57,81,109,?$

• A. $138$
• B. $139$
• C. $141$
• D. $147$

Answer 1

The correct option is C $141$

The given sequence follow a pattern :

$6\times 6+1=37$

$7\times 8+1=57$

$8\times 10+1=81$

$9\times 12+1=109$

$10\times 14+1=141$

Hence, $141$ replaces question mark.