A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in :

Question

Accepted Answer

…

(A + B)'s 1 day's work =

❨

1

+

1

❩

=

1

∴	2	work will be done by a in	❨	15 x	2	❩	= 10 days.
	3				3

Now,	1	work is done by A in 1 day.
	15

A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in :

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