Quiz Discussion

While working 7 hour a day, A alone can complete a piece of work in 6 days and B alone in 8 days. In what time would they complete it together, 8 hour a day?

Course Name: Quantitative Aptitude

  • 1] 3 days
  • 2] 4 days
  • 3] 2.1 days
  • 4] 3.6 days
Solution
No Solution Present Yet

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# Quiz
1
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
2
Discuss

If 3 men or 9 boys can finish a piece of work in 21 days, in how many days can 5 men and 6 boys together do the same piece of work ?

  • 1] 8 days
  • 2] 12 days
  • 3] 14 days
  • 4] Cannot be determined
  • 5] None of these
Solution
3
Discuss

25 men with 10 boys can do in 6 days as much work as 21 men with 30 boys can do in days. How many boys must help 40 men to do the same work in 4 days ?

  • 1] 5
  • 2] 10
  • 3] 20
  • 4] 40
Solution
4
Discuss

If p men working p hours per day for p days produce p units of work, then the units of work produced by n men working n hours a day for days is = ?

  • 1]

    \(\frac{{{{ \text{p}}^{ \text{2}}}}}{{{{ \text{n}}^{ \text{2}}}}}\)

  • 2]

    \(\frac{{{{ \text{p}}^{ \text{3}}}}}{{{{ \text{n}}^{ \text{2}}}}}\)

  • 3]

    \(\frac{{{{ \text{n}}^{ \text{2}}}}}{{{{ \text{p}}^{ \text{2}}}}}\)

  • 4]

    \(\frac{{{{ \text{n}}^{ \text{3}}}}}{{{{ \text{p}}^{ \text{2}}}}}\)

Solution
5
Discuss

The time taken by 4 men to complete a job is double the time taken by 5 children to complete the same job. Each man is twice as fast as a woman. How long will 12 men, 10 children and 8 women take to complete a job, given that a child would finish the job in 20 days ?

  • 1] 4 days
  • 2] 2 days
  • 3] 1 day
  • 4] 10 days
Solution
6
Discuss

A and B work together to complete the rest of a job in 7 days. However,\(\frac{{37}}{{100}}\) the job was already done. Also, the work done by A in 5 days is equal to the work done by B in 4 days. How many days would be required by the fastest worker to complete the entire work?

 

  • 1] 20
  • 2] 25
  • 3] 30
  • 4] 10
Solution
7
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
8
Discuss

A completes \(\frac{7}{{10}}\) of the work 15 days. Then he completes the remaining work the help of B in 4 days. The time required for A and B together to complete the entire work is = ?

 

  • 1]

    \({ \text{8}}\frac{1}{4}{ \text{days}}\)

  • 2]

    \(10\frac{1}{2}{ \text{days}}\)

  • 3]

    \(12\frac{2}{3}{ \text{days}}\)

  • 4]

    \(13\frac{1}{3}{ \text{days}}\)

Solution
9
Discuss

A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many days, A alone can finish the remaining work?

  • 1]

    5

  • 2]

    5 1/2

  • 3]

    6

  • 4]

    8

Solution
10
Discuss

A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work in :

  • 1]

    4 days

  • 2]

    6 days

  • 3]

    8 days

  • 4]

    18 days

Solution
# Quiz