Reasoning » Missing Number

Study the given pattern carefully and select the number that can replace the question mark (?) in it.

First row- 14, 4, 31
Second row- 38, 10, 79
Third row- 30, 8, ?
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding /deleting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is NOT allowed)

A

73

B

78

C

68

D

63