Number Series Ques 224
Question-
What will come in place of the question mark (?)
$31 \quad 15 \quad 21 \quad 50 \quad ? \quad 767.25 $
(1) 160.5
(2) 171.5
(3) 156.5
(4) 122.5
(5) 143.5
Show Answer
Correct Answer: (2)
Solution: (2)
The pattern is:
$31 \times 0.5-0.5=15.5-0.5=15$
$15 \times 1.5-1.5=22.5-1.5=21$
$21 \times 2.5-2.5=52.5-2.5=50$
$50 \times 3.5-3.5=175-3.5$ $=171.5$
$171.5 \times 4.5-4.5$ $=771.75-4.5=767.25$
BETA
