Find the missing number from the following given options:

64 63 16 66

64

In the 1st diagram, we can see that (7 + 4) × 4 = 44 In the 2nd  diagram, we can see that (6 + 3) × 4 = 36 So in the 3rd diagram, answer should be (9 + 7) × 4 = 64. Hence 1st option.