In each of the following questions, select the missing number from the given responses.
`{:(1,4,9,16),(1,2,3,4),(2,4,6,underline(?)):}`

Options

A. 7
B. 5
C. 4
D. 8

Answer

D

Explanation

First Row
`(1)^(2)=1,(2)^(2)=4,(3)^(2)=9,`
`(4)^(2)=16`
Second Row
`1+1=2,2+1=3,`
`3+1=4`
Third Row
`2+2=4,4+2=6,`
`6+2=8`