17. A cistern has two inlets A and B which can fill it in 12 minutes a – InterviewSolution

1.	17. A cistern has two inlets A and B which can fill it in 12 minutes and 15 minutes respectivelAn outlet C can empty the full cistern in 10 minutes. If alltogether in the empty tank, how much time will they take to fll the tank completely?the three pipes are opened
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