a) 20 minutes b) 25 minutes c) 30 minutes d) 45 minutes Answer: d Explanation: ...
View QuestionA tank can be filled by pipe A in 2 hours and pipe B in 6 hours. At 10 A.M. pipe A was opened. At what time will the tank be filled if pipe B is opened at 11 A.M. ?
a) 12.45 A.M. b) 5 P.M. c) 11.45 A.M. d) 12 P.M. Answer: c Explanation: ...
View QuestionA tap can completely fill a water tank in 8 hours. The water tank has a hole in it through which the water leaks out. The leakage will cause the full water tank to get empty in 12 hours. How much time will it take for the tap the the tank completely with the hole?
a) 16 hours b) 18 hours c) 24 hours d) None of these Answer: c Explanation: Net part filled in ...
View QuestionA tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the tank is filled by the third pipe alone. The second pipe fills the tank 5 hours faster than the first pipe and 4 hours slower than the third pipe. The time required by the first pipe is:
a) 6 hours b) 10 hours c) 15 hours d) 30 hours Answer: c Explanation: Suppose, first pipe ...
View QuestionTwo pipes A and B can fill a cistern in 37(1/2) minutes and 45 minutes respectively. Both pipes are opened. The cistern will be filled in just half an hour, if the B is turned off after:
Two pipes A and B can fill a cistern in $$37\frac{1}{2}$$ minutes and 45 minutes respectively. Both pipes ...
View QuestionA pump can fill a tank with water in 2 hours. Because of a leak, it took 2(1/3) hours to fill the tank. The leak can drain all the water of the tank in:
A pump can fill a tank with water in 2 hours. Because of a leak, it took $$2\frac{1}{3}$$ ...
View QuestionPipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in:
a) $$1\frac{{13}}{{17}}$$ hours b) $$2\frac{8}{{11}}$$ hours c) $$3\frac{9}{{17}}$$ hours d) $$4\frac{1}{2}$$ hours Answer: c Explanation: $$\eqalign{ & ...
View QuestionThree pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes, and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P, Q and R respectively. What is the proportion of the solution R in the liquid in the tank after 3 minutes?
a) $$\frac{5}{{11}}$$ b) $$\frac{6}{{11}}$$ c) $$\frac{7}{{11}}$$ d) $$\frac{8}{{11}}$$ Answer: b Explanation: Part filled by (A + ...
View Question12 buckets of water fill a tank when the capacity of each bucket is 13.5 litres. How many buckets will be needed to fill the same tank, if the capacity of each bucket is 9 litres?
a) 8 b) 15 c) 16 d) 18 Answer: d Explanation: Capacity of the tank = (12 × 13.5) litres = ...
View QuestionA swimming pool is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the pool in the same time during which the pool is filled by the third pipe alone. The second pipe fills the pool 5 hours faster than the first pipe and 4 hours slower than the third pipe. The time required by the first pipe is?
a) 6 hours b) 10 hours c) 15 hours d) 30 hours Answer: c Explanation: Suppose first pipe alone ...
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