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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:
5Q:
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:
- 16 daysfalse
- 28 daysfalse
- 35 daystrue
- 44 daysfalse
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