In each of the following questions select the missing number from the given responses.
`{:(15,225,30),(7,70,20),(3,?,8):}`

Options

A. 70
B. 12
C. 16
D. 24

Answer

B

Explanation

First Row
`(225)/(15)=15`
`rArr15xx2=30`
Second Row
`(70)/(7)=10`
`rArr10xx2=20`
Third Row
`(?)/(3)=(8)/(2)`
`rArr?=8xx3`
`:.?=(24)/(2)=12`