Question

In a class of 100 students there are 50 students who passed the math test, whhile 70 student who passed the english test. there are 5 student who failed both math and english test. how many students passed both the 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