Quiz Discussion

 

A and B together can complete a task in 20 days. B and C together can complete the same task in 30 days. A and C together can complete the same task in 40 days. What is the respective ratio of the number of days taken by A when completing the same task alone to the number of days taken by C when completing the same task alone?

Course Name: Quantitative Aptitude

  • 1]

    2:5

  • 2]

    2:7

  • 3]

    3:7

  • 4]

    1:5

Solution
No Solution Present Yet

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# Quiz
1
Discuss

A, B and C can do a piece of work in 36, 54 and 72 days respectively. They started the work but A left 8 days before the completion of the work while B left 12 days before completion. The number of days for which C worked is

  • 1]

    4

  • 2]

    8

  • 3]

    12

  • 4]

    24

Solution
2
Discuss

3 men or 5 women can do a work in 12 days. How long will 6 men and 5 women take to finish the work ?

  • 1] 20 days
  • 2] 10 days
  • 3] 4 days
  • 4] 15 days
Solution
3
Discuss

A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in = ?

  • 1] 8 days
  • 2] 6 days
  • 3] 8 days
  • 4] 12 days
Solution
4
Discuss

A can do a piece of work in 14 days which B can do in 21 days. They begin together but 3 days before the completion of the work. A leaves off. The total number of days to complete the work is ?

  • 1]

    \({ \text{6}}\frac{3}{5}\)

  • 2]

    \({ \text{8}}\frac{1}{2}\)

  • 3]

    \({ \text{10}}\frac{1}{5}\)

  • 4]

    \({ \text{13}}\frac{1}{2}\)

Solution
5
Discuss

A is twice as good a workman as B. If they work together, they can complete a job in 18 days. If A alone does the job, in how many days he will complete the job ?

  • 1] 27 days
  • 2] 36 days
  • 3] 40 days
  • 4] 54 days
Solution
6
Discuss

18 men can complete a piece of work in 63 days. 9 women take 189 days to complete the same piece of work. How many days will 4 men, 9 women and 12 children together take to complete the piece of work if 7 children alone can complete the piece of work in 486 days ?

  • 1] 54 days
  • 2] 63 days
  • 3] 76 days
  • 4] 81 days
  • 5] None of these
Solution
7
Discuss

Kamal can do a work in 15 days. Bimal is 50% more efficient then Kamal. The number of days, Bimal will take to do the same piece of work, is = ?

  • 1]

    \(7\frac{1}{2}\)

  • 2]

    10

  • 3]

    12

  • 4]

    14

Solution
8
Discuss

A contractor undertakes to make a road in 40 days and employs 25 men. After 24 days, he finds that only one-third of the road is made. How many extra men should he employ so that he is able to complete the work 4 days earlier ?

  • 1] 100
  • 2] 60
  • 3] 75
  • 4] None of these
Solution
9
Discuss

A company employed 200 workers to complete a certain work in 150 days. If only \(\frac{1}{4}\) th of the work had been done in 50 days, then in order to complete the whole work in time, the number of additional workers to be employed were?

 

  • 1] 100
  • 2] 600
  • 3] 300
  • 4] 200
Solution
10
Discuss

If 28 men complete \(\frac{7}{8}\) of a piece of work in a week, then the number of men, who must be engaged to get the remaining work completed in another week, is = ?

 

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