Tap a can fill a cistern in 10 hours while B can empty it in 15 hours . Both the taps are opened simultaneously how long would it take to fill the tank ?
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tnwramit1
This is ur ans hope it will help you in case of any doubt comment below
tnwramit1
if A complete a work in 10 day and B complete the same work in 5 day and C completes it in 10 day in how many days the work would be finished if a,b, c starts work together
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