Quiz Discussion

A can write 75 pages in 25 hours. A and B together can write 135 pages in 27 hours. In what time can B write 42 pages ?

Course Name: Java

  • 1] 17 hrs
  • 2] 19 hrs
  • 3] 21 hrs
  • 4] 23 hrs
Solution
No Solution Present Yet

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# Quiz
1
Discuss

Three pipes A,B and C attached to a cistern. A can fill it in 10 min, B in 15 min, C is a waste pipe for emptying it. After opening both the pipes A and B, a man leaves the cistern and returns when the cistern should have been just full. Finding, however, that the waste pipe had left open, he closes it and the cistern now gets filled in 2 min. In how much time the pipe C, if opened alone, empty the full cistern?

  • 1] 12 min
  • 2] 16 min
  • 3] 18 min
  • 4] 15 min
  • 5] None of these
Solution
2
Discuss

12 monkeys can eat 12 bananas in 12 minutes. In how many minutes can 4 monkeys eat 4 bananas ?

  • 1] 4 minutes
  • 2] 10 minutes
  • 3] 12 minutes
  • 4] 8 minutes
Solution
3
Discuss

42 women can do a piece of work in 18 days, How many women would be required do the same work in 21 days.

  • 1] 35
  • 2] 36
  • 3] 37
  • 4] 38
Solution
4
Discuss

Two men undertake to do a piece of work for Rs. 1400. The first man alone can do this work in 7 days while the second man alone can do this work in 8 days. If they working together complete this work in 3 days with the help of a boy, how should the money be divided ?

  • 1] Rs. 600, Rs. 550, Rs. 250
  • 2] Rs. 600, Rs. 525, Rs. 275
  • 3] Rs. 600, Rs. 500, Rs. 300
  • 4] Rs. 500, Rs. 525, Rs. 375
Solution
5
Discuss

Two pipes A and B can fill a cistern in 12 min and 16 min respectively. Both the pipes are opened together for a certain time but due to some obstruction, the flow of water was restricted to \(\frac{7}{8}\) of full flow in pipe A and \(\frac{5}{6}\) of full in pipe B. This obstruction is removed after some time and the tank are now filled in 3 min from that moment. How long was it before the full flow?

 

  • 1] 8 min
  • 2] 3 min
  • 3] 5.6 min
  • 4] 4.5 min
  • 5] None of these
Solution
6
Discuss

16 men can finish a piece of work in 49 days. 14 men started working and 8 days they could finish certain amount of work. If it is required to finish the remaining work in 24 days. How many more men should be added to the existing workforce ?

  • 1] 21
  • 2] 28
  • 3] 16
  • 4] 14
Solution
7
Discuss

A and B can separately complete a piece of work in 20 days and 30 days respectively. They worked together for some time. Then B left the work. If A completed the rest of the work in 10 days, then B worked for

  • 1]

    6 days

  • 2]

    8 days

  • 3]

    12 days

  • 4]

    16 days

Solution
8
Discuss

A job can be done by 3 skilled workmen in 20 days or by 5 boys in 30 days. How many days will they take if they work together ?

  • 1] 8 days
  • 2] 10 days
  • 3] 11 days
  • 4] 12 days
Solution
9
Discuss

A group of workers was put on a job. From second day onwards, one worker was withdrawn each day. The job was finished when the last worker was withdrawn. Had no worker been withdrawn at any stage, the group would have finished the job in 55% of the time. How many workers were there in the group?

  • 1] 15
  • 2] 14
  • 3] 12
  • 4] 10
  • 5] 8
Solution
10
Discuss

A does 20% less work than B. If A can complete a piece of work in \({ \text{7}}\frac{1}{2}\) hours, then B can do it in?

 

  • 1] 5 hours
  • 2] 4 hours
  • 3] 6 hours
  • 4] 7 hours
Solution
# Quiz