Number Series Ques 136
Question-
What will come in place of the question mark (?)
$81 \quad 91 \quad 108 \quad 134 \quad 171 \quad 221 \quad$ ?
(1) 386
(2) 286
(3) 284
(4) 289
(5) 280
Show Answer
Correct Answer: (2)
Solution: (2)
The pattern is :
$81+\left(3^{2}+1\right)=81+10=91$
$91+\left(4^{2}+1\right)=91+17=108$
$108+\left(5^{2}+1\right)=108+26=134$
$134+\left(6^{2}+1\right)=134+37=171$
$171+\left(7^{2}+1\right)=171+50=221$
$221+\left(8^{2}+1\right)=221+65$ $=286$
BETA
