Number Series Ques 203

Question-

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

$11 \quad 25 \quad 53 \quad ? \quad 221 \quad 445 \quad 893$

(1) 110

(2) 108

(3) 105

(4) 109

(5) None of these

Show Answer

Correct Answer: (4)

Solution: (4)

The pattern is :

$11 \times 2+3=22+3=25$

$25 \times 2+3=50+3=53$

$53 \times 2+3=106+3=109$

$109 \times 2+3=218+3=221$

$221 \times 2+3=442+3=445$

$445 \times 2+3=890+3=893$