In a class of 39 students 26 play football and play 20 long tennis, if 17 play above, many play neither?
Choices:
A) 6	B) 8	C) 10	D) 12	E) 14

Rationale: "26 + 20 - 17 = 29 39 - 29 = 10 play neither answer is c"
Answer: C