Question

In a school there are 20 teachers either teach english or maths.out of these 12 teachers teach english only and five teachers teach both english and maths.find how many teachers teach only maths?

Answer 1

there are 20 teachers who teach either english or maths

12 teachers teach english

so 8 teachers teach maths

Answer 2

Answer: 8

Solution:

There are total of 20 Teachers

12 are English Teachers.

20-12=8 and therefore,8 Teachers only teach Mathematics.