Quiz Discussion

A sum of money is sufficient to pay A's wages for 21 days and B's wages for 28 days. The same money is sufficient to pay the wages of both for ?

• 1] 12 days
• 2] 13 days
• 3] 14 days
• 4] 15 days

If 10 persons can do a job in 20 days, then 20 person with twice the efficiency can do the same job in:

• 1] 5 days
• 2] 40 days
• 3] 10 days
• 4] 20 days

A can do $\frac{1}{3}$ rd of work in 5 days and B can do the do $\frac{2}{5}$th of this work in 10 days. Both A and B, together can do the work in?

• 1]

  ${ \text{ 7}}\frac{3}{8}{ \text{ days}}$

• 2]

  ${ \text{8}}\frac{4}{5}{ \text{ days}}$

• 3]

  ${ \text{9}}\frac{3}{8}{ \text{ days}}$

• 4]

  10 days

A, B and C can complete a work in 10, 12 and 15 days respectively. They started the work together. But A left the work 5 days before its completion. B also left the work 2 days after A left. In how many days was the work completed ?

• 1] 4
• 2] 5
• 3] 7
• 4] 8

A and B together can complete a job in 8 days. Both B and C, working alone can finish the same job in 12 days, A and B commence work on the job, and work for 4 days, where upon A leaves, B continues for 2 more days, and then he leaves too, C now starts working, and finishes the job. How many days will C require to finish the remaining work ?

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