Quiz Discussion

 

A and B together can finish a work in 9 days. A alone can finish the work in 12 days. In how many days will B alone finish the work?

Course Name: Quantitative Aptitude

  • 1]

    24

  • 2]

    28

  • 3]

    32

  • 4]

    36

Solution
No Solution Present Yet

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# Quiz
1
Discuss

If A, B and C can complete a piece of work in 6 days. If A can work twice faster than B and thrice faster then C, than the number of days C alone can complete the work is ?

  • 1] 44 days
  • 2] 33 days
  • 3] 22 days
  • 4] 11 days
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, 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
4
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
5
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
6
Discuss

A, B and C can separately do a work in 12, 15 and 20 days respectively. They started to work together but C left after 2 days. The remaining work will be finished in = ?

  • 1] 4 days
  • 2] 5 days
  • 3] 6 days
  • 4] 15 days
Solution
7
Discuss

If 20 women can lay a road of length 100m in 10 days. 10 women can lay the same road of length 50m in = ?

  • 1] 5 days
  • 2] 15 days
  • 3] 10 days
  • 4] 20 days
Solution
8
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
9
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
10
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
# Quiz