Number Series Ques 7
Question-
What will come in place of the question mark (?)
$1 \quad 2 \quad 6 \quad 21 \quad 88 \quad$ ?
(1) 539
(2) 398
(3) 216
(4) 445
(5) 615
Show Answer
Correct Answer: (4)
Solution: (4)
The pattern is:
$1 \times 1+1=1+1=2$
$2 \times 2+2=4+2=6$
$6 \times 3+3=18+3=21$
$21 \times 4+4=84+4=88$
$88 \times 5+5=440+5=445$