Some equations have been solved on the basis of certain system. Find the correct answer for the unsolved equation on that basis. If 94 + 16 = 42, 89 + 23 = 78, then 63 + 45 = ?

Options

A. 18
B. 28
C. 38
D. 48

Answer

C

Explanation

`9 xx 4 + 1 xx 6 = 36 + 6 = 42 `
` 8 xx 9 + 2 xx 3 = 72 + 6 = 78`
similarly
`6 xx 3 + 4 xx 5 = 18 + 20 = 38`