Question

In an examination 73%of the candidates passed in quantitative aptitude test, 70% passed in General awareness and 64% passed in both. If 6300 failed in both subjects the total number of examines were

A 60000 Correct Answer Incorrect Answer
B 50000 Correct Answer Incorrect Answer
C 30000 Correct Answer Incorrect Answer
D 25000 Correct Answer Incorrect Answer

Solution

Let total students be 100% 21% = 6300 ⇒ 1% = 300 ⇒ 100% = 30,000

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