Question

Represent the information on a Venn diagram.in a 45student, twenty study maths while thirty study science.each student studies at least one of the subject

Answer 1

number studying both:

45 = 20 + 30 -x
x = 5
math only : 20-5 = 15
science only : 30-5 = 25
both : 5

now fill in your Venn diagram