Question

In a 160 student the ratio of student who like orange and apple are 3:2,20 students like both and 30 don't like then find the number of student who like apple and orange. Also draw vena diagram

Answer 1

Answer:

160-20-30

=110

110=3:2

5÷110=22

=3×22=66

=2×22=44

There are 60 students who like oranges and 44 who like apple

Answer 2

Answer:

neither = 30

both = 20

only o = 70

only a = 40

160-30 = 130

130-20 =110

110+20+20=150

150/5=30

30*3=90; 30*2=60

90-20=70; 60-20=40