section carry 3 marks each
9. In a class of 160 students, 100 students enrolled in music club, 70 in
dance club and 45 i

section carry 3 marks each
9. In a class of 160 students, 100 students enrolled in music club, 70 in
dance club and 45 in craft club: 25 students enrolled in both music and
dance club, 20 enrolled in dance and craft club, 15 enrolled in music club
and craft club, Every student must enroll in at least one club. Find the number
of students enrolled in i) all three clubs ii) exactly one club
iii) exactly two clubs.​