Quiz Discussion

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?

 

Course Name: Quantitative Aptitude

  • 1] 8 min
  • 2] 3 min
  • 3] 5.6 min
  • 4] 4.5 min
  • 5] None of these
Solution
No Solution Present Yet

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# Quiz
1
Discuss

Some carpenters promised to do a job in 9 days but 5 of them were absent and remaining men did the job in 12 day. The original number of carpenters was ?

  • 1] 24
  • 2] 20
  • 3] 16
  • 4] 18
Solution
2
Discuss

There is a group of 5 boys and 2 girls. The two groups working together can do four times as much work as a boy and a girl. Ratio of working capacities of a boy and a girl is:

  • 1] 2 : 1
  • 2] 2 : 3
  • 3] 1 : 3
  • 4] 1 : 2
Solution
3
Discuss

Three taps A, B and C together can fill an empty cistern in 10 minutes. The tap A alone can fill it in 30 minutes and the tap B alone in 40 minutes. How long will the tap C alone take to fill it?

  • 1] 16 minutes
  • 2] 24 minutes
  • 3] 32 minutes
  • 4] 40 minutes
Solution
4
Discuss

Two typists of varying skills can do a job in 6 minutes if they work together. If the first typist typed alone for 4 minutes and then the second typist typed alone for 6 minutes, they would be left with \(\frac{1}{5}\) of the whole work. How many minutes would it take the slower typist to complete the typing job working alone?

 

  • 1] 10 minutes
  • 2] 15 minutes
  • 3] 12 minutes
  • 4] 20 minutes
  • 5] 17 minutes
Solution
5
Discuss

A and B can compete a piece of work in 18 days. They worked together for 12 days and then A left. B alone finished the work in 15 days. If Rs. 1500 be paid for the work then A's share is:

  • 1] Rs. 750
  • 2] Rs. 800
  • 3] Rs. 600
  • 4] Rs. 900
Solution
6
Discuss

A can do as much work as B and C together can do. A and B can together do a piece of work in 9 hours 36 minutes and C can do it in 48 hours. The time in hours that B needs to do the work alone, is ?

  • 1] 18 hours
  • 2] 24 hours
  • 3] 30 hours
  • 4] 12 hours
Solution
7
Discuss

A can do a certain work in 12 days. B is 60% more efficient then A. How many days will B and A together take to do the same job?

  • 1]

    \(\frac{{80}}{{13}}{ \text{days}}\)

  • 2]

    \(\frac{{70}}{{13}}{ \text{days}}\)

  • 3]

    \(\frac{{75}}{{13}}{ \text{days}}\)

  • 4]

    \(\frac{{60}}{{13}}{ \text{days}}\)

Solution
8
Discuss

A pipe can fill a tank in 0.9 hours and another pipe can empty in 0.7 hours. If tank is completely filled and both pipes are opened simultaneously then 450 liters of water is removed from the tank is 2.5 hours. What is the capacity of the tank?

  • 1] 200 liters
  • 2] 350 liters
  • 3] 456 liters
  • 4] 567 liters
  • 5] None of these
Solution
9
Discuss

A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in:

  • 1]

    20 days

  • 2]

    \(22\frac{1}{2}\) days

  • 3]

    25 days

  • 4]

    30 days

Solution
10
Discuss

A and B can complete a piece of work in 12 and 18 days respectively. A begins to do the work and they work alternatively one at a time for one day each. The whole work will be completed in ?

  • 1]

    \({ \text{14}}\frac{1}{3}{ \text{ days}}\)

  • 2]

    \({ \text{15}}\frac{2}{3}{ \text{ days}}\)

  • 3]

    \({ \text{16}}\frac{1}{3}{ \text{ days}}\)

  • 4]

    \({ \text{18}}\frac{2}{3}{ \text{ days}}\)

Solution
# Quiz