Q: A can do $$ {4\over 5}$$ of a work in 20 days and B can do $$ {3\ov – McqOptions

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1.	Q: A can do $$ {4\over 5}$$ of a work in 20 days and B can do $$ {3\over 4}$$ of the same work in 15 days. They work together for 10 days. C alone completes the remaining work in 1 day. B and C together can complete of $$ {3\over 4}$$ of the same work in:
A.	6 days
B.	8 days
C.	5 days
D.	4 days
Answer» D. 4 days

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