Number Series Ques 124
Question-
What will come in place of the question mark (?)
$2 \quad 3 \quad 10 \quad 39 \quad 172 \quad$ ?
(1) 340
(2) 885
(3) 880
(4) 251
(5) 850
Show Answer
Correct Answer: (2)
Solution: (2)
The pattern is:
$2 \times 1+1^{2}=2+1=3$
$3 \times 2+2^{2}=6+4=10$
$10 \times 3+3^{2}=30+9=39$
$39 \times 4+4^{2}=156+16=172$
$172 \times 5+5^{2}=860+25$ $=885$
BETA
