Number Series Ques 205
Question-
What will come in place of the question mark (?)
$13 \quad 14 \quad 32 \quad 105 \quad 436 \quad$ ?
(1) 2205
(2) 2105
(3) 2215
(4) 2405
(5) None of these
Show Answer
Correct Answer: (1)
Solution: (1)
The pattern is :
$13 \times 1+1^{2}=13+1=14$
$14 \times 2+2^{2}=28+4=32$
$32 \times 3+3^{2}=96+9=105$
$105 \times 4+4^{2}=420+16=436$
$436 \times 5+5^{2}=2180+25$ $=2205$