Quiz Discussion

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]

  ${ \text{3}}\frac{1}{{13}}{ \text{days}}$

16 women take 12 days to complete a work which can be completed by 12 men in 8 days. 16 men started working and after 3 days 10 men left and 4 women joined them. How many days will they take to complete the remaining work ?

• 1] 4 days
• 2] 6 days
• 3] 8 days
• 4] 10 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]

  $16\frac{1}{3}{ \text{days}}$

A does half as much work as B in one -sixth of the time.If together they take 10 days to complete a work, how much time shall B take to do it alone?

• 1] 13.33 days
• 2] 20 days
• 3] 30 days
• 4] 40 days

If A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complete the work?

• 1] 60
• 2] 45
• 3] 40
• 4] 30