in a class of 35 students 26 play football and play 20 long tennis, if 17 play above, many play neither.

Answer 1

26 + 20 - 17 = 29

35 - 29 = 6 play neither

Answer 2

(total)= (football)+(long tennis)+(above)-(f+l)+(a)+(neither)

Answer 3

26+20-17=29
35-29=6 play neither