Quiz Discussion

A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?

• 1] 12 days
• 2] 15 days
• 3] 16 days
• 4] 18 days

A contractor was engaged to construct a road in 16 days. After working for 12 days with 20 labours it was found that only ${\frac{5}{8}}$ th of the road had been constructed. To complete the work in stipulated time the number of extra labours required are ?

• 1] 16
• 2] 12
• 3] 10
• 4] 18

A and B working together completed a job in 5 days. If A works twice as efficiently as he actually did and B works $\frac{1}{3}$ of actual efficiency, the work would have been completed in 3 days. Find the for A to complete the job alone.

• 1]

  $6\frac{1}{2}$

• 2]

  $6\frac{1}{4}$

• 3]

  $6\frac{3}{4}$

• 4]

  $12\frac{1}{2}$

• 5]

  None of these

Amit, Bhawana and Chandan can do a piece of work, working together in one day only. Amit is 5 times efficient than Bhawna and Chandan takes half of the number of days taken by Bhawna to do the same work. What is the difference between the number of days taken by Amit and Chandan when they work alone ?

• 1]

  4

• 2]

  5

• 3]

  3

• 4]

  ${ \text{2}}\frac{2}{5}$

There was a leakage in the container of the refined oil. If 11 kg oil is leaked out per day then it would have lasted for 50 days, if the leakage was 15 kg per day, then it would have lasted for only 45 days. For how many days would the oil have lasted, if there was no leakage ant it was completely used for eating purpose?

• 1] 80 days
• 2] 72 days
• 3] 100 days
• 4] 120 days