ABC26GN3393 · Pipes and Cisterns

Subject: General Aptitude · Chapter: Pipes and Cisterns · Exam: 2007 · Marks: · Difficulty:

A pipe can fill a tank in $x$ hours and another pipe can empty it in $y(y>x)$ hours. If both the pipes are open, in how many hours will the tank be filled?

(a)$(x-y)$ hours

(b)$(y-x)$ hours

(c)$\frac{x y}{x-y}$ hours

(d)$\frac{x y}{y-x}$ hours

Answer

Answer (as printed):

Explanation

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