a) 81 min b) 108 min c) 144 min d) 192 min Answer: c Explanation: Let the slower pipe ...
View QuestionA pump can fill a tank with water in 2 hours. Because of a leak, it took 2(1/3) hours to 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 QuestionA tank has a leak which would empty the completely filled tank in 10 hours. If the tank is full of water and a tap is opened which admits 4 litres of water per minute in the tank , the leak takes 15 hours to empty the tank. How many litres of water does the tank hold?
a) 2400 litters b) 4500 litters c) 1200 litters d) 7200 litters Answer: d Explanation: Let the total capacity ...
View QuestionTwo pipes A and B can fill a tank in 15 minutes and 20 minutes respectively. Both the pipes are opened together but after 4 minutes, pipe A is turned off. What is the total time required to fill the tank?
a) 10 min. 20 sec. b) 11 min. 45 sec. c) 12 min. 30 sec d) ...
View QuestionTwo pipes A and B can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank?
a) 12 minutes b) 15 minutes c) 25 minutes d) 50 minutes Answer: a Explanation: Part ...
View QuestionTwo pipes A and B together can fill a cistern in 4 hours. Had they been opened separately, then B would have taken 6 hours more than A to fill the cistern. How much time will be taken by A to fill the cistern separately?
a) 1 hours b) 2 hours c) 6 hours d) 8 hours Answer: c Explanation: Let the cistern be ...
View QuestionA tank is filled in 5 hours by three pipes A, B and C. The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank?
a) 20 hours b) 25 hours c) 35 hours d) Cannot be determined Answer: c Explanation: Suppose ...
View QuestionTwo pipes can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity of the tank is:
a) 60 gallons b) 100 gallons c) 120 gallons d) 180 gallons Answer: c Explanation: Work ...
View QuestionTwo pipes can fill a tank in 12 hours and 16 hours respectively. A third pipe can empty the tank in 30 hours. If all three pipes are opened and functions simultaneously, how much time will the tank take to be full?( in hours )
a) $$10\frac{4}{9}$$ b) $$9\frac{1}{2}$$ c) $$8\frac{8}{9}$$ d) $$7\frac{2}{9}$$ Answer: c Explanation: First pipe fill the tank in 1 hour ...
View QuestionA tank is 7 metre long and 4 meter wide wide. At what speed should water run through a pipe 5 cm broad and 4 cm deep so that in 6 hours and 18 minutes water level in the tank rises by 4.5 meter ?
a) 10 km/hours b) 12 km/hours c) 8 km/hours d) None of these Answer: a Explanation: Rate of flow ...
View Question