In each of the following questions, select the missing number from the given responses.

First Row16 × 2 = 32; 16 × 3 = 48; 16 × 4 = 64

Second Row17 × 2 = 34; 17 × 3 = 51; 17 × 4 =

68

Third Row 18 × 2 = 36; 18 × 3 = 54

18 × 4 = 72