180 students appeared in two papers of mathematics. 148 students passed in paper1 and 132 passed in paper2. if 128 students passed in both, find the number of students who failed in both papers.
Answers
Answered by
7
let x failed in both.
∴180=128+(148-128)+(132-128)+ x
=128+20+4+ x
∴x =180-152
∴ x = 28
∴180=128+(148-128)+(132-128)+ x
=128+20+4+ x
∴x =180-152
∴ x = 28
Similar questions