a tank can be filled by a tap in 5 hours while it can be emptied by another tap in 6 hours if both the taps are turned on together when the tank is empty in how much time will it be filled?
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time take to fill water in tank is 4.2hours
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Answer:
25 hours
Step-by-step explanation:
the tank takes 25 hours , because 6 hours are taken to empty and 5 Hours are taken to fill it up ,if both the taps are opened then 5*5=25.
5 hours is taken to fill and 6 hours to empty then 1 hour is left for empty and other 1 hour is used to fill.
in this way it gets fill in 25 hours.
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