Quiz Discussion

A, B and C can complete a piece of work in 10, 12 and 15 days respectively. A left the work 5 days before the work was completed and B left 2 days after A had left. Number of days required to complete the whole work was ?

• 1] 5 days
• 2] 6 days
• 3] 8 days
• 4] 7 days

A contractor undertake to do a piece of work in 40 days. He engages 100 men at the beginning and 100 more after 35 days and completes the work in stipulated time. If he had not engaged the work in men, how many days behind the scheduled the work should have been finished ?

• 1] 5
• 2] 6
• 3] 7
• 4] 8

A, B and C completed a work costing Rs. 1800. A worked for 6 days, B for 4 days and C for 9 days. If their daily wages are in the ratio of 5 : 6 : 4, how much amount will be received by A ?

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

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

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

A is 60% more efficient than B. In how many days will A and B working together complete a piece of work which A alone takes 15 days to finish?

• 1]

  \(\frac{{124}}{{13}}\) days

• 2]

  \(\frac{{113}}{{13}}\) days

• 3]

  \(\frac{{108}}{{13}}\) days

• 4]

  \(\frac{{131}}{{13}}\) days

• 5]

  \(\frac{{120}}{{13}}\) days

A and B can do a job in 7 days. A is \({ \text{1}}\frac{3}{4}\) times as efficient as B. The same job can be done by A alone in?

• 1]

  \(9\frac{1}{3}{ \text{days}}\)

• 2]

  11 days

• 3]

  \(12\frac{1}{4}{ \text{days}}\)

• 4]

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

If 3 men or 4 women can plough a field in 43 days, how long will 7 men and 5 women take to plough it?

• 1] 10 days
• 2] 11 days
• 3] 9 days
• 4] 12 days

A job can be complete by 12 men in 12 days. How many extra days will be needed to complete the job if 6 men leave after working for 6 days ?

• 1] 3 days
• 2] 6 days
• 3] 12 days
• 4] 24 days

A and B together can complete a work in 12 days. B and C together can complete the same work in 8 days and A and C together can complete it in 16 days. In total, how many days do A, B and C together take to complete the same work ?

• 1]

  \({ \text{3}}\frac{5}{{12}}\)

• 2]

  \({ \text{3}}\frac{9}{{13}}\)

• 3]

  \({ \text{7}}\frac{5}{{12}}\)

• 4]

  \({ \text{7}}\frac{5}{{13}}\)