A, B and three men can finish a work in 10, 20 and 15 days respectively, then in how many days will all three together finish the work?
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Q:
A, B and three men can finish a work in 10, 20 and 15 days respectively, then in how many days will all three together finish the work?
- 17/28false
- 260/16false
- 313/60true
- 419/60false
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