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Question

A can do 1/4th of a work in 15 days, B can do the 25% of the work in 20 days & C can do 1/5th of the work in 15 days. Who will complete the work first?

A A Correct Answer Incorrect Answer
B B Correct Answer Incorrect Answer
C C Correct Answer Incorrect Answer
D cannot be determined Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

A can do th of the work = 15 days.
A can do 1 work in = 15
=> 4 work in = 60 days.
B can do th of the work = 20 days.
B can do 1 work in = 20
=> 4 work in = 80 days.
C can do th of the work = 15 days.
C can do 1 work in = 15
=> 5 work in = 75 days.
A will complete the work first.

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