Number Series Ques 21

Question-

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

$9 \quad 4 \quad 5 \quad 6 \quad 14 \quad$ ?

(1) 48.5

(2) 42

(3) 32.5

(4) 20

(5) 36

Show Answer

Correct Answer: (3)

Solution: (3)

The pattern is :

$9 \times 0.5-0.5=4.5-0.5=4$

$4 \times 1+1=4+1=5$

$5 \times 1.5-1.5=7.5-1.5=6$

$6 \times 2+2=12+2=14$

$14 \times 2.5-2.5=35-2.5$ $=32.5$