MCQOPTIONS
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MCQOPTIONS
This section includes 71 Mcqs, each offering curated multiple-choice questions to sharpen your General Aptitude knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Two pipes P and Q take 1/4 hr and 1/3 hr respectively to fill a tank. The two pipes are opened simultaneously but P is turned off after sometime. The tank takes 12 minutes to get full after this. Find the time for which Pipe P was open. |
| A. | 3.42 minutes |
| B. | 4.6 minutes |
| C. | 5.4 minutes |
| D. | 8.11 minutes |
| Answer» B. 4.6 minutes | |
| 52. |
Three pipes A, B and C when opened simultaneously can fill a tank in 6 hours. C is closed after 2 hours while A and B fill the remaining tank in 7 hours. How long will C take to fill the tank alone? |
| A. | 10 hours |
| B. | 12 hours |
| C. | 13 hours |
| D. | 14 hours |
| Answer» E. | |
| 53. |
A tank has 2 inlets and 1 outlet. The inlets P and Q can fill the tank in 15 hrs and 10 hours respectively. The outlet R take 30 hours to empty the tank. The gardener's son opens all the three pipes by mistake. The gardener realizes this after 2 hours and closes the outlet R so that the tank can be filled. Due to this mistake of his son, how much extra time will be required to fill the tank? |
| A. | 18 minutes |
| B. | 24 minutes |
| C. | 1 hour 20 minutes |
| D. | 2 hours 15 minutes |
| Answer» C. 1 hour 20 minutes | |
| 54. |
Tap A and B can fill a cistern together in 2.4 hours. The water from Tap A flows at the rate of 100 litre per hour to fill the cistern while Tap B has the capacity to fill the entire cistern in just 4 hours. Find how much water can the cistern hold? |
| A. | 500 litres |
| B. | 600 litres |
| C. | 1000 litres |
| D. | 1200 litres |
| Answer» C. 1000 litres | |
| 55. |
Pipes A and B can fill a tank together in 6 hours. When Pipe C is also open, the tank can be filled in 5 hours by 3 pipes together. Pipe A's efficiency is double of Pipe B. How long will Pipe B and C take to fill the tank entirely? |
| A. | 9.75 hours |
| B. | 10. 90 hours |
| C. | 11.25 hours |
| D. | 12.90 hours |
| Answer» D. 12.90 hours | |
| 56. |
There are two inlets and one outlet to a tank. Inlet A and B take 1.5 hours and 2 hours respectively to fill the tank. While outlet C can empty the entire tank in 30 minutes. The gardener decides to open Inlet A at 8 am when he arrives on duty and Inlet B one hour later. Outlet C is opened at 10 am. What will be the time by his watch when the tank will be entirely empty again? |
| A. | 1.25 pm |
| B. | 12 pm |
| C. | 12.12 pm |
| D. | 12.28 pm |
| Answer» D. 12.28 pm | |
| 57. |
Tap B is 5 times slower than Tap A in filling the same tank. Also tap B takes 32 minutes more than Tap A to fill the same tank completely. How long will the tank take to get full, if both the taps are opened simultaneously? |
| A. | 5/35 minutes |
| B. | 32/5 minutes |
| C. | 20/3 minutes |
| D. | 32/3 minutes |
| Answer» D. 32/3 minutes | |
| 58. |
Pipe P can fill a cement tank in 24 hours. However, there is a leakage at the bottom of the tank due to which the Pipe P takes 12 hrs longer and fills it in 36 hours. How long would this leakage take to empty the entire tank? |
| A. | 48 hours |
| B. | 60 hours |
| C. | 72 hours |
| D. | 96 hours |
| Answer» D. 96 hours | |
| 59. |
Pipe A can fill a tank in 22.5 minutes while a diametrically bigger Pipe B can do it in 15 minutes. Initially we open both the pipes together for some time but after how much time, should we close Pipe B so that the tank is full in 18 minutes? |
| A. | 2.5 minutes |
| B. | 3 minutes |
| C. | 4 minutes |
| D. | 4.5 minutes |
| Answer» C. 4 minutes | |
| 60. |
Pipe A takes 38 hours to fill a tank alone while Pipe B takes half the time taken by Pipe A to fill the same tank alone. The leakage C can empty the entire tank in 133 hours. How many hours will it take to fill the tank if Pipe A and B are opened together and leakage C is also allowed to empty the tank simultaneously? |
| A. | 14 hours |
| B. | 19 hours |
| C. | 28 hours |
| D. | 95 hours |
| Answer» B. 19 hours | |
| 61. |
I have two inlet pipes in my tank. Pipe P is diametrically bigger than Q and can fill a tank alone in 22 hours while Pipe Q takes 11 hours longer than Pipe P to fill the tank. If I open both the inlet pipes together, how long will they take to fill the tank? |
| A. | 19/22 hours |
| B. | 1.09 hours |
| C. | 13.2 hours |
| D. | 18 hours |
| Answer» D. 18 hours | |
| 62. |
One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in |
| A. | 144 mins |
| B. | 140 mins |
| C. | 136 mins |
| D. | 132 mins |
| Answer» B. 140 mins | |
| 63. |
Taps A and B can fill a bucket in 12 minutes and 15 minutes respectively. If both are opened and A is closed after 3 minutes, how much further time would it take for B to fill the bucket? |
| A. | 8 min 15 sec |
| B. | 7 min 15 sec |
| C. | 6 min 15 sec |
| D. | 5 min 15 sec |
| Answer» B. 7 min 15 sec | |
| 64. |
A cistern can be filled in 9 hours but due to a leak at its bottom it takes 10 hours. If the cistern is full, then the time that the leak will take to make it empty will be ? |
| A. | 20 hours |
| B. | 19 hours |
| C. | 90 hours |
| D. | 80 hours |
| Answer» D. 80 hours | |
| 65. |
A tank can be filled by a tap in 20 minutes and by another tap in 60 minutes. Both the taps are kept open for 10 minutes and then the first tap is shut off. After this, the tank will be completely filled in what time ? |
| A. | 10 mins |
| B. | 15 mins |
| C. | 20 mins |
| D. | 25 mins |
| Answer» D. 25 mins | |
| 66. |
An electric pump can fill a tank in 3 hours. Because of a leak in the tank, it took 3 hours 30 min to fill the tank. In what time the leak can drain out all the water of the tank and will make tank empty ? |
| A. | 10 hours |
| B. | 13 hours |
| C. | 17 hours |
| D. | 21 hours |
| Answer» E. | |
| 67. |
A leak in the bottom of a tank can empty the full tank in 6 hours. An inlet pipe fills water at the rate of 4 litres a minute. When the tank is full, the inlet is opened and due to the leak the tank is empty in 8 hours. The capacity of the tank (in litres) is |
| A. | 5780 litres |
| B. | 5770 litres |
| C. | 5760 litres |
| D. | 5750 litres |
| Answer» D. 5750 litres | |
| 68. |
Pipe A can fill a tank in 5 hours, pipe B in 10 hours and pipe C in 30 hours. If all the pipes are open, in how many hours will the tank be filled ? |
| A. | 2.5 hours |
| B. | 2 hours |
| C. | 3.5 hours |
| D. | 3 hours |
| Answer» E. | |
| 69. |
A tap can fill a tank in 6 hours. After half the tank is filled then 3 more similar taps are opened. What will be total time taken to fill the tank completely. |
| A. | 2 hours 30 mins |
| B. | 2 hours 45 mins |
| C. | 3 hours 30 mins |
| D. | 3 hours 45 mins |
| Answer» E. | |
| 70. |
A cistern can be filled by a tap in 4 hours while it can be emptied by another tap in 9 hours. If both the taps are opened simultaneously, then after how much time cistern will get filled ? |
| A. | 7 hours |
| B. | 7.1 hours |
| C. | 7.2 hours |
| D. | 7.3 hours |
| Answer» D. 7.3 hours | |
| 71. |
Two pipes A and B can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, then how long it will take to fill the tank ? |
| A. | 10 mins |
| B. | 12 mins |
| C. | 15 mins |
| D. | 20 mins |
| Answer» C. 15 mins | |