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In an examination, 70% of the candidates passed in English, 65% passed in Mathematics and 10% failed in both subjects. What percentage of c…

2692Hard UPSC Principal Vice Principal 0 replies

In an examination, 70% of the candidates passed in English, 65% passed in Mathematics and 10% failed in both subjects. What percentage of candidates passed in both subjects?

A40%
B45%
C50%
D55%

Correct answer: B

Explanation

Passed in at least one = 90%. Both = 70 + 65 - 90 = 45%.

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