| 1. | If 1/3 of a tank holds 80 litres of water, then the quantity of water that 1/2 tank holds is ? | |
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240 litres
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120 litres
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80/3 litres
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100 litres
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Report Question| 2. | 3/4 part of a tank is full of water. When 30 litres of water is taken out, the tank becomes empty. The capacity of the tank is ? | |
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36 litres
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42 litres
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40 litres
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38 litres
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| 3. | Pipes P and Q can fill a tank in 10 and 12 hours respectively and C can empty it in 6 hours. If all the three are opened at 7 a.m., at what time will one-fourth of the tank be filled ? | |
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10 a.m.
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10 p.m.
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11 p.m.
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11 a.m.
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| 4. | Three pipes A, B and C can fill a tank in 6 hours, 9 hours and 12 hours respectively. B and C are opened for half an hour, then A is also opened. The time taken by the three pipes together to fill the remaining part of the tank is ? | |
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3 hours
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2 hours
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2 and 1/2 hours
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3 and 1/2 hours
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| 5. | 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 ? | |
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4 hours
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4 hours 15 minutes
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3 hours 15 minutes
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3 hours 45 minutes
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| 6. | A tap can fill a cistern in 40 minutes and a second tap can empty the filled cistern in 60 minutes. By mistake without closing the second tap, the first tap was opened. In how many minutes will the empty cistern be filled ? | |
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72
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84
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108
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120
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| 7. | A cistern is normally filled in 8 hours but takes another 2 hours longer to fill because of a leak in its bottom. If the cistern is full, the leak will empty it in ? | |
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16 hours
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20 hours
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25 hours
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40 hours
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| 8. | Three pipes A, B and C can fill a cistern in 6 hours. After working at it together for 2 hours, C is closed and A and B fill it in 7 hours more. The time taken by C alone to fill the cistern is ? | |
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14 hours
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15 hours
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16 hours
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17 hours
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| 9. | A pipe can fill a cistern in 9 hours. Due to a leak in its bottom, the cistern fills up in 10 hours. If the cistern is full, in how much time will it be emptied by the leak ? | |
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70 hours
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80 hours
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90 hours
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100 hours
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| 10. | A pipe can fill a tank in 24 hrs. Due to a leakage in the bottom, it is filled in 36 hrs. If the tank is half full, how much time will the leak take to empty the tank ? | |
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48 hrs
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72 hrs
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36 hrs
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24 hrs
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