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service | HCL Quantitative 1 | Question 2

A and B together can complete a task in 40 days. B and C together can complete the same task in 60 days. A and C together can complete the same task in 60 days. If X is the number of days taken by A when completing the same task alone and Y is the number of days taken by C when completing the same task alone, then find X: Y ?                                

(A)

2:5

(B)

2:3

(C)

1:3

(D)

3:5

Answer

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