Number Series Ques 200

Question-

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

$5 \quad 12 \quad 26 \quad ? \quad 110 \quad 222 \quad 446$

(1) 50

(2) 52

(3) 54

(4) 56

(5) 60

(Bank of Baroda PO Exam. 14.08.2014)

Show Answer

Correct Answer: (3)

Solution: (3)

The pattern is :

$5+1 \times 7=12$

$12+2 \times 7=12+14=26$

$26+2 \times 14=26+28=54$

$54+2 \times 28=54+56=110$

$110+2 \times 56=110+112=222$

$222+2 \times 112=222+224$ $=446$