In an examination, the success to failure ratio was 5: 2. Had the number of failures been 14 more, then the success to failure ratio would have been 9: 5. The total number of candidates who appeared for the examination was
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Total number of candidates = 126
Step-by-step explanation:
In an examination, the success to failure ratio was 5: 2
Let say success = 5A
Failure = 2A
Total = 5A + 2A = 7A
Failure been 14 more => 2A + 14
then 5A/(2A + 14) = 9/5
=> 25A = 18A + 126
=> 7A = 126
=> A = 18
Total number of candidates = 7A = 126
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