# Quiz Discussion

A can do as much work as B and C together can do. A and B can together do a piece of work in 9 hours 36 minutes and C can do it in 48 hours. The time in hours that B needs to do the work alone, is ?

Course Name: Quantitative Aptitude

• 1] 18 hours
• 2] 24 hours
• 3] 30 hours
• 4] 12 hours
##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

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
##### Solution
2
Discuss

If m men can do a work in r days, then the number of days taken by (m + n) men to do it is :

• 1]

$$\frac{{{ \text{m}} + { \text{n}}}}{{{ \text{mn}}}}$$

• 2]

$$\frac{{{ \text{m}} + { \text{n}}}}{{{ \text{mr}}}}$$

• 3]

$$\frac{{{ \text{mr}}}}{{{ \text{m}} + { \text{n}}}}$$

• 4]

$$\frac{{{ \text{r}}\left( {{ \text{m}} + { \text{n}}} \right)}}{{{ \text{mn}}}}$$

##### Solution
3
Discuss

Two workers A and B are engaged to do a work. A working alone takes 8 hours more to complete the job than if both worked together. If B worked alone, he would need 41/2 hours more to complete the job than they both working together. What time would they take to do the work together ?

• 1] 4 hours
• 2] 5 hours
• 3] 6 hours
• 4] 7 hours
##### Solution
4
Discuss

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
##### Solution
5
Discuss

A tank can be filled with water by two pipes A and B together in 36 minutes. If the pipe B was stopped after 30 minutes, the tank is filled in 40 minutes. The pipe B can alone fill the tank in:

• 1] 45 minutes
• 2] 60 minutes
• 3] 75 minutes
• 4] 90 minutes
##### Solution
6
Discuss

A company employed 200 workers to complete a certain work in 150 days. If only $$\frac{1}{4}$$ th of the work had been done in 50 days, then in order to complete the whole work in time, the number of additional workers to be employed were?

• 1] 100
• 2] 600
• 3] 300
• 4] 200
##### Solution
7
Discuss

While working 7 hour a day, A alone can complete a piece of work in 6 days and B alone in 8 days. In what time would they complete it together, 8 hour a day?

• 1] 3 days
• 2] 4 days
• 3] 2.1 days
• 4] 3.6 days
##### Solution
8
Discuss

Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. What is the ratio between the capacity of a man and a woman?

• 1]

3 : 4

• 2]

4 : 3

• 3]

5 : 3

• 4]

##### Solution
9
Discuss

A and B can together finish a work in 30 days. They worked together for 20 days and B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the job ?

• 1] 40 days
• 2] 50 days
• 3] 54 days
• 4] 60 days
##### Solution
10
Discuss

A man and a boy can do a piece of work in 24 days. If the man works alone for the last 6 days, it is completed in 26 days. How long would the boy take to do it alone ?

• 1] 20 days
• 2] 24 days
• 3] 36 days
• 4] 72 days
# Quiz