Koushik can do a piece of work in X days and Krishnu can do the same work in Y days. If they work together, then they can do the work in

Koushik can do a piece of work in X days and Krishnu can do the same w

1.	Koushik can do a piece of work in X days and Krishnu can do the same work in Y days. If they work together, then they can do the work in
A.	(X+Y) days
B.	1x+yÂ days
C.	xyx+yÂ days
D.	x+yxyÂ days
Answer» E.