Quant Quiz of the day

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Q1. Tap A can fill the empty tank in 12 hours, but due to a leak in the bottom it is filled in 15 hours. If the tank is full and then tap A is closed then in how many hours the leak can empty it?

1. 45 hours
2. 48 hours
3. 52 hours
4. 60 hours
5. None of these

Q2. Pipe A and Pipe B can fill a cistern in 10 hours and 15 hours respectively. When a third pipe C which works as an outlet pipe is also open then the cistern can be filled in 18 hours. The outlet pipe can empty a full cistern in:

1. 12 hours
2. 8 hours
3. 9 hours
4. 14 hours
5. None of these

Q3. A cistern has a leak which would empty it in 6 hours. A tap is turned on which fills the cistern @ 10 liters per hour and when the tank is full then it is emptied in 15 hours(when tap and the leak  are active). What is the capacity of the cistern?

1. 100 litres
2. 150litres
3. 120litres
4. None of these
5. Can’t be determined

Q4. Tap A fills a tank in 10 hours and B can fill it in 15 hours. Both are opened simultaneously. Sometimes later tap B was closed, then it takes total 8 hours to fill up the whole tank. After how many hours B was closed?

1. 2
2. 3
3. 4
4. 5
5. None of these

Q5. Tap A can fill a tank in 20 hours, B in 25 hours but tap C can empty a full tank in 30 hours. Starting with A, followed by B and C each tap opens alternatively for one hour period till the tank gets filled up completely. In how many hour the tank will be filled up completely?

1. 51 11/15hours
2. 52 2/3 hours
3. 24 4/11 hours
4. None of these
5. Can’t be determined

Q6. If one pipe A can fill a tank in 20 minutes, then 5 pipes, each of 20% efficiency of A, can fill the tank in:

1. 80
2. 100 min
3. 20 min
4. 25 min
5. None of these

Q7.  A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill that tank in the same time during which the tank is filled by the third pipe alone. The second pipe fills the tank 5 hours faster than the first pipe and 4 hours slower than the third pipe. The time required by the first pipe is:

1. 6 hours
2. 10 hours
3. 15 hours
4. 30 hours
5. None of these

Q8. 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 ?

1. 10 minutes 20 seconds
2. 11 minutes 45 seconds
3. 12 minutes 30 seconds
4. 14 minutes 40 seconds
5. None of these

Q9. 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?

1. 3 hours 15 minutes
2. 3 hours 45 minutes
3. 4 hours
4. 4 hours 15 minutes

Q10. Two pipes A and B 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 A by A to fill the cistern separately?

1. 1 hour
2. 2 hours
3. 6 hours
4. 8 hours
5. None of these