Rohan and Sunil separately can complete ...

Rohan and Sunil separately can complete a work in 8 hours and 4 hours respectively. How much time will they take when working together ?

`2 2/3`hours

`1 1/3`hours

`3 hours`

`2 hours`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

TIME & DISTANCE
UPKAR PUBLICATION |Exercise QUESTION BANK|56 Videos
TRAINS
UPKAR PUBLICATION |Exercise QUESTION BANK|70 Videos

Similar Questions

Explore conceptually related problems

Two workers A and B are engaged to do a piece of work.Working alone, A takes 8 hours more to complete the workthan if both worked together. On the other hand, workingalone, B would need 4 1/2 hours more to complete the work than if both worked together. How much time would they take tocomplete the job working together?

Two workers A and B are engaged to do a piece of work. Working alone, A takes 8 hours more to complete the work than if both worked together. On the other hand, working alone, B would need 4(1)/(2) hours more to complete the work than if both worked together. How much time would they take to complete the job working together?

6 women can complete a work in 46 hours. In how many hours will 23 women complete that work?

A can finish a piece of work in 12 hours while B can finish it in 15 hours. How long will both take to finish it, working together?

Ganga and Saraswati, working separately can now a field in 8 and 12 hours respectively. If they work in stretches of one hour alternately, Ganga beginning at 9 a.m., when will the moving be completed ?

Two men can do a piece of work in 6 hours and 4 hours respectively.After the first has worked for 2 hours,he is joined by the other.By when should the work be completed?

8 Women can complete a work in 15 h. In how many hours. Will 12 women complete the same work ?

A can complete a work in 18 hours and B can complete the same work in half of his time.If they start working together then how much part will the complete in one day?

UPKAR PUBLICATION -TIME AND WORK-QUESTION BANK

3 men and 4 boys do a piece of work in 8 days, while 4 men and 4 boys ...
Text Solution
|
8 men can dig a pit in 20 days. If a man works half as much again as a...
Text Solution
|
If 1 man or 2 women or 3 boys can do a piece of work in 44 days, then ...
Text Solution
|
2 men and 3 women can finish a piece of work in 10 days, while 4 men c...
Text Solution
|
Two men undertake to do a piece of work for Rs. 400. One alone can do ...
Text Solution
|
16 men and 12 women together complete a work in 20 days. If 18 women c...
Text Solution
|
A report of 100 pages is to be typed by three typists. Typist A can ty...
Text Solution
|
14 workers can make 1400 toys in 5 days. One day after they started th...
Text Solution
|
24 boys can complete a work in 12 days while 16 men can complete the s...
Text Solution
|
15 men can complete a work in 10 days while 20 boys can complete the s...
Text Solution
|
14 men can complete a work in 12 days. 4 days after they started the w...
Text Solution
|
14 persons can complete a work in 16 days. 8 persons started the work ...
Text Solution
|
Rohan and Sunil separately can complete a work in 8 hours and 4 hours ...
Text Solution
|
Typist A can type a report in 16 hours. Typist B can type the same rep...
Text Solution
|
A and B can do a work in 8 days and A alone can do it in 12 days. In ...
Text Solution
|
24 men can do a work in 16 days while 36 women can do the same work in...
Text Solution
|
A and B together can do a work in 24 days.B alone does its 1/3 part in...
Text Solution
|
Ganesh, Ram and Sohan together can do a work in 16 days. If Ganesh and...
Text Solution
|
A and B separately can complete a work in 6 days and 3 days respective...
Text Solution
|
Ram, Dilip and Shekhar can complete a work in 20 days. If Ram and Dili...
Text Solution
|