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In an examination,70% of the candidates passed in english,65% in mathematics,26% failed in both subjects and 248 passed in both subjects.Find the total number of candidates. |
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Answer» If there are 100 candidates, thencandidates failed in english =30candidates failed in Maths = 35candidates failed in both = 27candidates failed in atleast one subject = 30+35-27 = 38candidates passed in both subjects = 62If 62 candidates passed in both subjects, then total candidates = 100If 248 candidates passed in both subjects, then total candidates = 100*248/62=400 |
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