Question

1. to a group of students, 50 students passed in English, 40
students hassed in maths & 45 students passed in both.
Find the number of students passed in either in Maths
or English​

Answer 1

Answer:

90

Step-by-step explanation:

Answer 2

45

n(A U B)= n(A) +n(B)- n(A n B)

we have

number of students who possed either in English or maths

50+40-45

=90-45

=45.