Quiz Discussion

18 men can complete a piece of work in 63 days. 9 women take 189 days to complete the same piece of work. How many days will 4 men, 9 women and 12 children together take to complete the piece of work if 7 children alone can complete the piece of work in 486 days ?

• 1] 54 days
• 2] 63 days
• 3] 76 days
• 4] 81 days
• 5] None of these

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

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 and B together can do a job in 2 days; B and C can do it in 4 days; A and C in ${ \text{2}}\frac{2}{5}$ days. The number of days required for A to do the job alone is = ?

• 1] 1
• 2] 3
• 3] 6
• 4] 12

X alone can complete a piece of work in 40 days. He worked for 8 days and left. Y alone completed the remaining work in 16 days. How long would X and Y together take to complete the work ?

• 1]

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

• 2]

  14 days

• 3]

  15 days

• 4]

  $16\frac{2}{3}{ \text{days}}$