Question

The school has 800 students with 20 students on the gymnastic team and 10 students on the chess team (including 3 students who are on both teams). How many students in the school are not members of either the gymnastic team or the chess team? 767 770 773 776

Answer 1

no. of students not members of either the gymnastic team or chess team =180-(20+10-3)
=180-27=153