There are ‘e’ students in a school studying English and ‘a’ students studying Arabic. How many students study English and Arabic or both if ‘b’’ students study both?

There are ‘e’ students in a school studying English and ‘a’ students studying Arabic. How many students study English and Arabic or both if ‘b’’ students study both?

A e + a

B ea + b

C е + a - b

D e(a - b)

Solution

Correct Answer: Option C