Question

in an examination 30% students failed in English and 35% failed in Mathematics. If 27% failed in both the
subjects English and Mathematics, find the percentage of those who passed in both the subjects.​

Answer 1

30% students passedin math but failed in english and 35%failed in math but passed in english and 27% failed both subject. so we should add 30%, 35% and 27%and subtract from 100%. your ans will be8%