Number Series Ques 69
Question-
What will come in place of the question mark (?)
$8.5 \quad 10.5 \quad 16.5 \quad 28.5 \quad 48.5 \quad$ ?
(1) 57.5
(2) 78.5
(3) 93.5
(4) 64.5
(5) 85.5
Show Answer
Correct Answer: (2)
Solution: (2)
The pattern is:
$8.5+2=10.5$
$10.5+6(=2+4)=16.5$
$16.5+12(=6+6)=28.5$
$28.5+20(=12+8)=48.5$
$48.5+30(=20+10)=78.5$
BETA
