# Quiz Discussion

A can do a bit of work in 8 hours while B along can do it in 12 hours. Both A and B cooperating can complete the work in:

Course Name: Quantitative Aptitude

• 1]

10 hours

• 2]

4 hours

• 3]

21/4 hours

• 4]

24/5 hours

##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

A and B can complete a piece of work in 12 and 18 days respectively. A begins to do the work and they work alternatively one at a time for one day each. The whole work will be completed in ?

• 1]

$${ \text{14}}\frac{1}{3}{ \text{ days}}$$

• 2]

$${ \text{15}}\frac{2}{3}{ \text{ days}}$$

• 3]

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

• 4]

$${ \text{18}}\frac{2}{3}{ \text{ days}}$$

##### Solution
2
Discuss

A can complete a piece of work in 18 days, B in 20 days and C in 30 days, B and C together start the work and forced to leave after 2 days. The time taken by A alone to complete the remaining work is:

• 1] 10 days
• 2] 12 days
• 3] 15 days
• 4] 16 days
##### Solution
3
Discuss

A road of 5 m length will be constructed in 100 days. So, 280 workers were employed. But after 80 days it was found that only $${ \text{3}}\frac{1}{2}$$ km road was completed. Now, how many more people were needed to finish the work in the specified time?

• 1] 480
• 2] 80
• 3] 200
• 4] 100
##### Solution
4
Discuss

An engineer undertakes a project to build a road 15 km long in 300 days and employs 45 men for the purpose. After 100 days, he finds 2.5 km of the road has been completed. Find the (approx.) number of extra men he must employ to finish the work in time.

• 1] 43
• 2] 45
• 3] 55
• 4] 68
• 5] 60
##### Solution
5
Discuss

A, B and C can do a piece of work in 36, 54 and 72 days respectively. They started the work but A left 8 days before the completion of the work while B left 12 days before completion. The number of days for which C worked is

• 1]

4

• 2]

8

• 3]

12

• 4]

24

##### Solution
6
Discuss

A single reservoir supplies the petrol to the whole city, while the reservoir is fed by a single pipeline filling the reservoir with the stream of uniform volume. When the reservoir is full and if 40, 000 litres of petrol is used daily, the supply fails in 90 days. If 32, 000 litres of petrol used daily, it fails in 60 days. How much petrol can be used daily without the supply ever failing?

• 1] 64000 litres
• 2] 56000 litres
• 3] 60000 litres
• 4] 78000 litres
• 5] None of these
##### Solution
7
Discuss

A can build up a wall in 8 days while B can break it in 3 days. A has worked for 4 days and then B joined to work with A for another 2 days only. In how many days will A alone build up the remaining part of the wall ?

• 1]

$${ \text{6}}\frac{1}{3}{ \text{ days}}$$

• 2]

7 days

• 3]

$${ \text{7}}\frac{1}{3}{ \text{ days}}$$

• 4]

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

##### Solution
8
Discuss

4 mat-weavers can weave 4 mats in 4 days. At the same rate how many mats would be woven by 8 mat-weavers in 8 days ?

• 1] 4
• 2] 8
• 3] 12
• 4] 16
##### Solution
9
Discuss

Two persons having different productivity of labour, working together can reap a field in 2 days. If one-third of the field was reaped by the first man and rest by the other one working alternatively took 4 days. How long did it take for the faster person to reap the whole field working alone?

• 1] 3
• 2] 6
• 3] 8
• 4] 12
• 5] None of these
##### Solution
10
Discuss

A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone?

• 1]

30 days

• 2]

40 days

• 3]

60 days

• 4]

70 days

# Quiz