Number Series Ques 217
Question-
What will come in place of the question mark (?)
$8 \quad 5 \quad 9 \quad 22.5 \quad 61 \quad$ ?
(1) 184
(2) 181.5
(3) 192.5
(4) 177.5
(5) 172.5
Show Answer
Correct Answer: (4)
Solution: (4)
The pattern is :
$8 \times \frac{1}{2}+1^{2}=4+1=5$
$5 \times 1+2^{2}=5+4=9$
$9 \times \frac{3}{2}+3^{2}=13.5+9=22.5$
$22.5 \times 2+4^{2}=45+16=61$
$61 \times \frac{5}{2}+5^{2}=152.5+25$ $=177.5$
BETA
