Question

in a class of 100 students there are 50 students pass the maths test while 70 students whlo passed the english there are 5 students who fail both test ..How many students pass the both test?

Answer 1

Number of pass student in exam=100-5=95
50+70=120
120-95=25
25 student pass in both subject
95-25=70
70student pass in one subject

Answer 2

Students passed math=50
Students passed eng=70
Total students=100
Students who passed both the tests=70+50-100
=120-100=20