Select the missing number from the given responses
`{:(8,5,4),(7,6,8),(12,20,12),(44,10,?):}`

Options

A. 40
B. 30
C. 20
D. 35

Answer

C

Explanation

First Column `8xx7-12=44`
Second Column
`5xx6-20=10`
Third Column
`4xx8-12=20`