Question

A SIXTY-FIVE PERCENT OF CHILDREN IN A SPORT CLUB PLAY FOOTBALL. 70 PERCENT PLAY VOLLEY-BALL AND 75 PERCENT PLAY BASKET-BALL. WHAT IS THE SMALLEST PERCENTAGE OF CHILDREN PLAYING ALL THE THREE GAMES.

Answer 1

Football = 65%
Volleyball = 70%
Basketball = 75%

All of them, 100 - (65 + 70 + 75) / 3 = 100 - 210/3 =100 -  70 = 30

In short, Your Answer would be 30%

Hope this helps!