'A' can complete a piece of work in 5 days and ' B ' can complete the same piece of work in 10 days. In how many days can 'A' and ' B ' together complete the same work ?

'A' can complete a piece of work in 5 days and ' B ' can complete t

1.	'A' can complete a piece of work in 5 days and ' B ' can complete the same piece of work in 10 days. In how many days can 'A' and ' B ' together complete the same work ?
A.	25 days
B.	26 days
C.	28 days
D.	31 days
Answer» E.

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'A' can complete a piece of work in 5 days and ' B ' can complete the same piece of work in 10 days. In how many days can 'A' and ' B ' together complete the same work ?

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