In the addition of the three digits shown, the letters W, X, Y and Z each represent a unique single digit, which of the following could be the sum of W+X+Y+Z?

Question

A) 23

B) 20

C) 17

D) 14

E) 11

Answer 1

9 + 7 + 4 + 3 = 23

8 + 6 + 5 + 1 = 20

4 + 5 + 6 + 2 = 17

4 + 3 + 6 + 1 = 14

1 + 5 + 3 + 2 = 11

So all of the above