Time and Work - Quantitative Aptitude Questions - Online Test Part - 10

Time and Work Online Test Part - 10

Exam Name - Quantitative Aptitude
Subject Name - Time and Work
Exam Type - Multiple Choice Questions
No Of Questions - 10

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Question - 1:A cistern can be filled in 9 hours but it takes 10 hours due to a leak in its bottom. If the cistern is full, then the time that the lead will take to empty is :?

1. 60 hrs
2. 70 hrs
3. 80 hrs
4. 90 hrs

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Answer = D - 90 hrs Explanation: No Explanation

Question - 2:When Abhinav and Bipul are working alone, they can complete a piece of work in 25 days and 30 days respectively. On day 1, Bipul started the work and Abhinav joined B from day 3 on-wards. Find after how many days will the work be completed? ?

1. 13
2. 11
3. 15
4. 16

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Answer = C - 15 Explanation: No Explanation

Question - 3: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 ? ?

1. 7 min. 45 sec
2. 7 min 15 sec
3. 8 min. 5 sec
4. 8 min. 15sec

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Answer = D - 8 min. 15sec Explanation: No Explanation

Question - 4:In Nuts And Bolts factory, one machine produces only nuts at the rate of 100 nuts per minute and needs to be cleaned for 5 minutes after production of every 1000 nuts. Another machine produces only bolts at the rate of 75 bolts per minute and needs to cleaned for10 minutes after production of every 1500 bolts. If both the machines start production at the same time, what is the minimum duration required for producing 9000 pairs of nuts and bolts? ?

1. 130 minutes
2. 135 minutes
3. 170 minutes
4. 180 minutes

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Answer = C - 170 minutesExplanation: No Explanation

Question - 5: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 ;?

1. 10 min.
2. 12 min
3. 15 min
4. 20 min.

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Answer = D - 20 min. Explanation: No Explanation

Question - 6:A can build up a structure in 8 days and B can break it is 3 days. A has worked for 4 days and then B joined to work with A for another 2 days only. In how many days will A alone build up the remaining part of the structure? ?

1. 10
2. 9
3. 12
4. None of these

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Answer = D - None of these Explanation: No Explanation

Question - 7:If two pipes function simultaneously, the reservoir willbe filled in 12 hours. One pipe fills the reservoir 10 hours faster than the other. How many hours it takes the second pipe to fill the reservoir ? ?

1. 25 hrs
2. 28 hrs
3. 30 hrs
4. 35 hrs

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Answer = C - 30 hrs Explanation: No Explanation

Question - 8:Two workers A and B manufactured a batch of identical parts. A worked for 2 hours and B worked for 5 hours and they completed half the job. Then they worked together for another 3 hours and they had to do (1/20)th of the job. How many hours time does B take to complete the job, if he worked alone??

1. 24
2. 12
3. 15
4. 30

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Answer = C - 15 Explanation: No Explanation

Question - 9:One tap can fill a cistern in 2 hours and another tap can empty the cistern in 3 hours. How long will they take to fill the cistern if both the taps are opened? ?

1. 5 hrs
2. 6 hrs
3. 7 hrs
4. 8 hrs

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Answer = B - 6 hrsExplanation: No Explanation

Question - 10:A and B borrowed a tractor for 23 days. A ploughed 12 acres per day for a certain number of days and then Bused it to plough 15 acres per day for the remaining days. If they paid Rs 3,000 and Rs 2,000 respectively, for how many days did A use the tractor? ?

1. 15
2. 16
3. 17
4. 18

Show/Hide Answer

Answer = A - 15Explanation: No Explanation

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