Quiz Discussion

A can do a piece of work in 12 days and B in 24 days. If they work together, in how many days will they finish the work ?

Course Name: Quantitative Aptitude

  • 1] 20 days
  • 2] 8 days
  • 3] 12 days
  • 4] 15 days
Solution
No Solution Present Yet

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# Quiz
1
Discuss

A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?

  • 1] Rs. 375
  • 2] Rs. 400
  • 3] Rs. 600
  • 4] Rs. 800
Solution
2
Discuss

If m men can do a work in r days, then the number of days taken by (m + n) men to do it is :

  • 1]

    \(\frac{{{ \text{m}} + { \text{n}}}}{{{ \text{mn}}}}\)

  • 2]

    \(\frac{{{ \text{m}} + { \text{n}}}}{{{ \text{mr}}}}\)

  • 3]

    \(\frac{{{ \text{mr}}}}{{{ \text{m}} + { \text{n}}}}\)

  • 4]

    \(\frac{{{ \text{r}}\left( {{ \text{m}} + { \text{n}}} \right)}}{{{ \text{mn}}}}\)

Solution
3
Discuss

A can do a piece of work in 10 days, B in 15 days. They work for 5 days. The rest of the work was finished by C in 2 days. If they get Rs. 1500 for the whole work, the daily wages of B and C are ?

  • 1] Rs. 150
  • 2] Rs. 225
  • 3] Rs. 250
  • 4] Rs. 300
Solution
4
Discuss

To complete a work, A takes 50% more time than B. If together they take 18 days to complete the work, how much time shall B take to do it?

  • 1] 30 days
  • 2] 35 days
  • 3] 40 days
  • 4] 45 days
Solution
5
Discuss

A, B and C can complete a piece of work in 24, 5 and 12 days respectively. Working together, they will complete the same work in ?

  • 1]

    \(\frac{7}{{24}}{ \text{days}}\)

  • 2]

    \({ \text{3}}\frac{3}{7}{ \text{days}}\)

  • 3]

    4 days

  • 4]

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

Solution
6
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
7
Discuss

Three men A, B, C working together can do a job in 6 hours less time than A alone, in one hour less time than B alone and in one half the time needed by C when working alone. Then A and B together can do the job in:

  • 1]

    \(\frac{2}{3}\) hours

  • 2]

    \(\frac{3}{4}\) hours

  • 3]

    \(\frac{3}{2}\) hours

  • 4]

    \(\frac{4}{3}\) hours

Solution
8
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
9
Discuss

A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days?

  • 1]

    11 days

  • 2]

    13 days

  • 3]

    20 3/17 days

  • 4]

    None of these

Solution
10
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
# Quiz