A tap can fill a cistern in 8 hours and another tap in 10 hours. How long will it to fill the tank if both taps are open together.
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16 hours Part of the cistern filled in 1 hour = 18 Part of the cistern emptied in 1 hour = 116 When both the taps are opened simultaneously, part of cistern fill in 1 hour = Hence, the cisatern wil be filled in 16 hours.
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please see the above answer.
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