A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work?

Question

Accepted Answer

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

❨

1

+

1

+

1

❩<…

So,	3	work will be done by A in	❨	48 x	3	❩	= 18 days.
	8				8

Now,	1	work is done by A in 1 day.
	48

A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work?

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