In an examination, 32% of total students failed in Hindi, 56% failed in English and 12% in both. The percentage of these who passed in both the subjects is :  Choose the correct choice from the following answers.
A) 24  B) 37  C) 28  D) 40  E) 81
Explanation:   Formula n(aâˆªb) = n(a) + n(b) âˆ’ n(aâˆ©b)   Fail in Hindi or English = 32 + 56 â€“ 12 = 76   Therefore students who passed = 100 â€“ 76 = 24.   24nswer: 24
<result>A</result>
In an examination, 32% of total students failed in Hindi, 56% failed in English and 12% in both. The percentage of these who passed in both the subjects is :