Number Series Ques 129

Question-

What will come in place of the question mark (?)

$125 \quad 121 \quad 130 \quad 114 \quad 139 \quad ? $

(1) 103

(2) 105

(3) 108

(4) 101

(5) 109

Show Answer

Correct Answer: (1)

Solution: (1)

The pattern is :

$125-2^{2}=125-4=121$

$121+3^{2}=121+9=130$

$130-4^{2}=130-16=114$

$114+5^{2}=114+25=139$

$139-6^{2}=139-36=103$