In a class of 120 students 60 play tennis, 50 play polo,and 20 play both then how many neither play tennis nor polo?

4 answers

120-(60+50-20)
90
A. 10.
60 - T
50 - P
20 - Both

Neither T nor P
T - P
60 - 50
10.

This was what I felt was right, maybe!
Is the answer to the above question 30 who play neither of the games