Number Series Ques 13
Question-
What will come in place of the question mark (?)
$9 \quad 10.8 \quad 14.4 \quad 21.6 \quad ? \quad 64.8$
(1) 36
(2) 44
(3) 34
(4) 41.8
(5) 37.6
Show Answer
Correct Answer: (1)
Solution: (1)
The pattern is :
$9+1.8=10.8$
$10.8+2 \times 1.8=10.8+3.6$ $=14.4$
$14.4+2 \times 3.6=14.4+7.2$ $=21.6$
$21.6+2 \times 7.2=21.6+14.4$ $=36$
$36+2 \times 14.4=36+28.8=64.8$
BETA
