10 taps fill a tank in 1.5 hours . if 2 taps go out of the order then how long will it take the tank to fill.
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Answer:
Step-by-step explanation:
divide it you will get the answer
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Step-by-step explanation:
Therefore tap A can fill a tank in 60+30=90 min & tap B can fill same tank in 60 min
Therefore if both the taps are opened together it takes 1/90+1/60
= 90×60/90+60
=5400/150
=60 min
Therefore if both the taps are opened it takes 60 min to fill it
hope this helps u..............
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