1.

5. There are 3 pipes in a tank. First two pipes can fill.the tank in 3 hours and 3 hours 45 minutesrespectively while the third can empty the tank in1 hours. If the pipes are opened at 1, 2 and 3respectively then the tank will be empty on.

Answer»

because 3pipe can empty the tank in 1housr

bcz these 3 pipes can empty tank in 1 hour

because these 3 pipes can empty tanks in 1hour

because these 3 pipes can empty tanks in 1hour



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