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A can do a piece of work in 4 hours; B and C can do it in 3 hours; A and C can do it in 2 hours. How long will B along take to do it?
5Q:
A can do a piece of work in 4 hours; B and C can do it in 3 hours; A and C can do it in 2 hours. How long will B along take to do it?
- 110 hoursfalse
- 212 hourstrue
- 38 hoursfalse
- 424 hoursfalse
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