In an examination, 34% of the students failed in Mathematics and 42% failed in English. If 20% of the students failed in both the subjects, then the percentage of students who passed in both the subjects was:

A 44

B 50

C 54

D 56

Correct Answer: Option A

here, failed only in math= (34-20)=14% failed only in english=42%-20%=22% total failed =14+22+20=56% passed=100-56=44%