Q. X does 25% of a work in 20 days. Y joins X and they together finish the remaining work in 15 days. Y alone can do the whole work in ___ days.
A) 25 1/2 days
B) 30 days
C) 26 1/5 days
D) 26 2/3 days
โ Correct Answer: 26 2/3 days
Exam Insight
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A) 25 1/2 days
B) 30 days
C) 26 1/5 days
D) 26 2/3 days
โ Correct Answer: 26 2/3 days
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