A can make a cupboard in 20 days and B can do it in 60 days . Along with C , they did the job in 10 days only . Then in how many days C alone can do the job ?

A can make a cupboard in 20 days and B can do it in 60 days . Along wi

1.	A can make a cupboard in 20 days and B can do it in 60 days . Along with C , they did the job in 10 days only . Then in how many days C alone can do the job ?
A.	20 days
B.	25 days
C.	30 days
D.	15 days
Answer» D. 15 days

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A can make a cupboard in 20 days and B can do it in 60 days . Along with C , they did the job in 10 days only . Then in how many days C alone can do the job ?

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