What is the ratio of the number of candidates failing in the exam from city D to those failing in the exam from city A?
A
289 : 42
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B
42 : 239
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C
227 : 50
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D
50 : 227
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E
None of these
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Solution
The correct option is C 227 : 50 Number of candidates failing in the exam from city D =34×2.27lakh Number of candidates failing in the exam from city A =310×1.25lakh ∴ Required ratio =34×2.27:310×1.25=1.7025:0.375=227:50