Two pipes A and B can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, how… · ABC26GN3392

Subject: General Aptitude · Chapter: Pipes and Cisterns · Exam: M.A.T., 2003; C.P.O. 2003

Two pipes A and B can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, how long will it take to fill the tank?

(a)12 minutes

(b)15 minutes

(c)25 minutes

(d)50 minutes

Answer

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Explanation

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