A can do a piece of work in 6 days working 8 hours a day while B can do the same work in 4 days working 10 hours a day. If the work has to be completed in 5 days, sohow many hours do they need to work together in a day?

A can complete a work in 12 days with a working of 8 hours per day. B can complete the same work in 8 days when working 10 hours a day. If A and B work together, working 8 hours a day, the work can be completed in --- days ?

A

51\/24

B

87\/5

C

57\/12

D

60\/11

P can complete a work in 12 days working 8 hours a day.Q can complete the same work in 8 days working 10 hours a day. If both p and Q work together,working 8 hours a day,in how many days can they complete the work?

A

60\/11

B

61\/11

C

71\/11

D

72\/11

P can complete a work in 12 days working 8 hours a day. Q can complete the same work in 8 days working 10 hours a day. If both P and Q work together, working 8 hours a day, in how many days can they complete the work?

A

$$5\frac{5}{{11}}$$

B

$$5\frac{6}{{11}}$$

C

$$6\frac{5}{{11}}$$

D

$$6\frac{6}{{11}}$$

E

None of these

Two men and women are entrusted with a task. The second man needs three hours more to cope up with the job than the second man and the woman would need working together. The first man, working alone, would need as much time as second man and the woman working together. The first man working alone, would spend eight hours less than the double period of the time second man would spend working alone. How much time would the two men and the women need to complete the task if they all asked together?

A

1 hour

B

2 hours

C

3 hours

D

4 hours

E

5 hours

A and B together can do a piece of work in 10 days. If A can do the work in 15 days, find in how many days that B alone can do the same work. Given below are the steps involved in solving the above problem. Arrange them in sequential order. A) One day's work of B is 1/10 - 1/15 B) One day's work of A and B is 1/10 and One day's work of A is 1/15 C) B alone can do the work in 30 days D) One day's work of B is 1/30

A

BADC

B

ADCB

C

BCAD

D

BDAC

The work done by a women in 8 hours is equal to the work done by a man in 6 hours and by a boy in 12 hours. If working 6 hours per day 9 men can complete a work in 6 days, then in how many days can 12 men, 12 women and 12 boys together finish the same work, working 8 hours per day ?

A

$${\text{1}}\frac{1}{2}{\text{ days}}$$

B

$${\text{3 days}}$$

C

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

D

$${\text{4}}\frac{1}{2}{\text{ days}}$$

A and B together can do a piece of work in 8 days, B and C together in 10 days, while C and A together in 6 days, if they all work together the work will be completed in ?

A

$${\text{3}}\frac{3}{4}\,{\text{days}}$$

B

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

C

$${\text{5}}\frac{5}{{47}}\,{\text{days}}$$

D

$${\text{4}}\frac{4}{9}\,{\text{days}}$$

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 ?

A

54 days

B

63 days

C

76 days

D

81 days

E

None of these

6 men can complete a piece of work in 12 days. 8 women can complete the same piece of work in 18 days whereas 18 children can complete the piece of work in 10 days. 4 men, 12 women and 20 children work together for 2 days. If only men were to complete the remaining work in 1 day how many men would be required totally?

A

38

B

72

C

36

D

76

Amit can do a piece of work in 45 days, but Bharath can do the same work in 5 days less, than Amit, when working alone. Amit and Bharath both started the work together but Bharath left after some days and Amit finished the remaining work in 56 days with half of his efficiency but he did the work with Bharath with his complete efficiency. For how many days they had worked together?

A

6

B

8

C

9

D

12