Question

Which of the following options will continues the pattern in the given series?
$6,11,21,36,56,\underset{–}{?}$.

• A. $42$
• B. $51$
• C. $81$
• D. $91$

Answer 1

The correct option is C $81$

Given series is $6,11,21,36,56,?$

$6,(6+5)=11,(11+10)=21,(21+15)=36,(36+20)=56,(56+25)=\mathrm{81.....}$

The next term of the series will be $81$.