An outlet pipe can empty a cistern in 3 hours. In what time will empty $$\frac{2}{3}$$ of the ...
View QuestionTwo pipes can fill a tank in 40 and 48 minutes respectively and a waste pipe can empty 3 gallons per minutes. All the three pipes working together can fill the tank in 30 minutes, The capacity of the tank is-
a) 60 gallons b) 120 gallons c) 180 gallons d) 240 gallons Answer: d Explanation: Work done ...
View QuestionTwo pipes A and B can fill a tank in 20 and 30 hours respectively. Both the pipes are opened to fill the tank but when the tank is one – third full, a leak develops in the tank through which one – third water supplied by both the pipes gose out. The total time taken to fill the tank is?
a) 12 hours b) 14 hours c) 16 hours d) 18 hours Answer: c Explanation: Part filled by (A ...
View QuestionThree pipes P, Q and R can separately fill a cistern in 4, 8 and 12 hours respectively. Another pipe S can empty the completely filled cistern in 10 hours. Which of the following arrangements will fill the empty cistern in less time than others?
a) Q alone is open b) P, R and S are open c) P and S are ...
View QuestionTwo pipe A and B can fill a water tank in 20 and 24 minutes respectively and a third pipe C can empty at the rate of 3 gallons per minute. If A, B and C are open together to fill the tank in 15 minutes, find the capacity of tank?
a) 180 gallons b) 150 gallons c) 120 gallons d) 60 gallons Answer: c Explanation: Work done by the ...
View QuestionA vessel has three pipes connected to it , two to supply liquid and one to draw liquid. The first alone can fill the vessel in 4(1/2) hours, the second in 3 hours and the third can empty it in 1(1/2) hours. If all the pipes are opened simultaneously when the vessel is half full, how soon will it be emptied?
A vessel has three pipes connected to it , two to supply liquid and one to draw liquid. ...
View QuestionA pipe can fill a tank in 3 hours. There are two outlet pipes from the tank which can empty it in 7 and 10 hours respectively. If all the three pipes are opened simultaneously, then the tank will be filled in –
a) 8 hours b) 9 hourss c) 10 hours d) 11 hours Answer: d ...
View QuestionA tank with capacity T liters is empty. If water flows into the tank from pipe X at the rate of x liters per minute and water is pumped out by Y at the rate of y liters per minute and x > y, then how many minutes will the tank be filled?
a) (x - y) 60 T minutes b) (T - x) minutes c) $$\frac{{\text{T}}}{{{\text{x}} - {\text{y}}}}$$ minutes d) $$\frac{{\text{T}}}{{{\text{y}} - {\text{x}}}}$$ minutes
View QuestionHow many leap years does 100 years have?
a) 25 b) 24 c) 4 d) 26 Answer: b Explanation: Given year is divided ...
View QuestionThe maximum gap between two successive leap year is?
a) 4 b) 8 c) 2 d) 1 Answer: b Explanation: Ex: 1896 is a leap year.The ...
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