MCQs4All - Mathematics Collection

Mathematics MCQs for NTS, FPSC, CSS, PPSC, PMS, UTS, FTS, OTS, Algebra, Discrete, Applied, Calculus, Geometry, Trigonometry of past papers

Question. Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P, Q and R respectively. What is the proportion of solution R in the liquid in the tank after 3 minutes?
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