Question

In a class of 90 students, 50 study mathematics, 48 study physics and 24 study both. find the number that study maths only and the number that study physics only.​

Answer 1

Answer:

n(u)=90

n(m)=50

n(p)=48

n(mnp)=24

now,

n. (m) =n(m)-n(mnp)

=26

n. (p) =n(p)-n(mnp)

=24