MCQOPTIONS
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MCQOPTIONS
This section includes 320 Mcqs, each offering curated multiple-choice questions to sharpen your Arithmetic Ability knowledge and support exam preparation. Choose a topic below to get started.
| 301. |
_ Three taps A, B and C can fill a tank in 12, 15 and 20 hours respectively. If A is open all the time and B and C are open for one hour each alternately, the tank will be full in:$? |
| A. | 6 hours |
| B. | 62/3 hours |
| C. | 7 hours |
| D. | 71/2 hours |
| Answer» D. 71/2 hours | |
| 302. |
__One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in-__ |
| A. | 81 min |
| B. | 108 min |
| C. | 144 min |
| D. | 192 min |
| Answer» D. 192 min | |
| 303. |
_A pump can fill a tank with water in 2 hours. Because of a leak, it took 2(1/3) hours to fill the tank. The leak can drain all the water of the tank in:$? |
| A. | 4(1/3) hours |
| B. | 7 hours |
| C. | 8 hours |
| D. | 14 hours |
| Answer» E. | |
| 304. |
Two pipes can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minutes. All the three pipes working together can fill the tank in 15 minutes, The capacity of the tank is-$? |
| A. | 60 gallons |
| B. | 100 gallons |
| C. | 120 gallons |
| D. | 180 gallons |
| Answer» D. 180 gallons | |
| 305. |
3/4 part of the tank is full of water. When 30 litres of water is taken out, the tank becomes empty. The capacity of the tank is -$? |
| A. | 36 liters |
| B. | 42 liters |
| C. | 40 liters |
| D. | 38 liters |
| Answer» D. 38 liters | |
| 306. |
A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?$? |
| A. | 3 hrs 15 min |
| B. | 3 hrs 45 min |
| C. | 4 hrs |
| D. | 4 hrs 15 min |
| Answer» C. 4 hrs | |
| 307. |
Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in:$? |
| A. | 1(13/17) hours |
| B. | 2(8/11) hours |
| C. | 3(9/17) hours |
| D. | 4(1/2) hours |
| Answer» D. 4(1/2) hours | |
| 308. |
Pipes 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(13/17) hours |
| B. | 2(8/11) hours |
| C. | 3(9/17) hours |
| D. | 4(1/2) hours |
| Answer» D. 4(1/2) hours | |
| 309. |
Three taps A, B and C can fill a tank in 12, 15 and 20 hours respectively. If A is open all the time and B and C are open for one hour each alternately, the tank will be full in? |
| A. | 6 hrs |
| B. | 61/2 hrs |
| C. | 7 hrs |
| D. | 71/2 hrs |
| Answer» D. 71/2 hrs | |
| 310. |
A pump can fill a tank with water in 2 hours. Because of a leak, it took 21/3 hours to to fill the tank. The leak can drain all the water of the tank in? |
| A. | 41/3 hours |
| B. | 7 hours |
| C. | 8 hours |
| D. | 14 hours |
| Answer» E. | |
| 311. |
A pipe can fill a tank in x hours and another pipe can empty it in y (y > x) hours. If both pipes are open, in how many hours will the tank is filled? |
| A. | (x - y) hours |
| B. | (y - x) hours |
| C. | xy/x - y hours |
| D. | xy/y - x hours |
| Answer» E. | |
| 312. |
A large tanker can be filled by two pipes A and B in 60 minutes and 40 minutes respectively. How many minutes will it take to fill the tanker from empty state if B is used for half the time and A and B fill it together for the other half? |
| A. | 15 min |
| B. | 20 min |
| C. | 27.5 min |
| D. | 30 min |
| Answer» E. | |
| 313. |
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 the solution R in the liquid in the tank after 3 minutes? |
| A. | 5/11 |
| B. | 6/11 |
| C. | 7/11 |
| D. | 8/11 |
| Answer» C. 7/11 | |
| 314. |
Two 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» D. 18 hours | |
| 315. |
A vessel has three pipes connected to it , two to supply liquid and one to draw liquid. The first alone can fill the vessel in 41/2 hours, the second in 3 hours and the third can empty it in 11/2 hours. If all the pipes are opened simultaneously when the vessel is half full, how soon will it be emptied? |
| A. | 41/2 |
| B. | 51/2 |
| C. | 61/2 |
| D. | None of these |
| Answer» B. 51/2 | |
| 316. |
Water is continuously supplied from a reservoir to a locality at the steady raye of 10000 liters per hours. When delivery exceeds demand the excess water is stored in a tank. If the demand for consecutive three hour periods is 1000, 10000, 45000, 25000, 40000, 15000, 60000 and 35000 liters respectively, what will be the minimum capacity required of the water tank (in thousand liters)to meet the demand and avoid any wastage? |
| A. | 10 |
| B. | 30 |
| C. | 40 |
| D. | 50 |
| Answer» D. 50 | |
| 317. |
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. | 81 min. |
| B. | 108 min. |
| C. | 144 min. |
| D. | 192 min. |
| Answer» D. 192 min. | |
| 318. |
Two 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. | 14 min. 40 sec. |
| Answer» E. | |
| 319. |
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 will it take to fill the tank? |
| A. | 12 min |
| B. | 15 min |
| C. | 25 min |
| D. | 50 min |
| Answer» B. 15 min | |
| 320. |
Two 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 hour |
| B. | 2 hours |
| C. | 6 hours |
| D. | 8 hours |
| Answer» D. 8 hours | |