water tank has three intels .Intel one alone can fill the tank in 30 minutes intel 2 can feel it in 40 minutes until 3 can feel it in 60 minutes if all the three Intel open together how long will it take to fill the tank
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It takes130 minutes its take to fill the tank
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more than 10-15 minutes
pavankumar22:
it takes 42min...to reach and fill the tank
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