CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Time and Work

Rahul can do ...

Question

Rahul can do 2/7 of a certain work in 6 days while Suresh can do 3/5 of the same work in 9 days. They started work together but after 7 days Tahul left the work. Find in how many days Suresh can complete the remaining work?

Open in App

Solution

Rahul, 2/7 = 6
whole work in 21
Suresh, 3/5 = 9
whole work in 15
work together = 1/15+1/21 = 12/105
together 7 days = 712/105 = 12/15
work done by 4/5
remaining work 1-4/5 = 1/5
Suresh done 1/5 work in 1/515 = 3days

Suggest Corrections

thumbs-up

100

Similar questions

Q. A alone can do a piece of work in 10 days and B alone can do the same work in 15 days. They started working together. After two days, both of them left the work. If C alone can complete the remaining work in 5 days, then in how many days can C alone complete the work?

Q. Rahul can do

\frac{1}{2}

of a piece of work in 6 days ,while Rohit can do

\frac{1}{4}

of the same work in 2 days . in how many days can both do it together?

Q. Raja can do a piece of work in 14 days, while Rani can do the same work in 21 days. They started the work together but 3 days before the completion of the work, Raja left the work. The total number of days required to complete the work is :

Q. A ,B and C can do a piece of work in 15,12 and 20 days respectively they started the work together but c left after 2 days .in how many days will the remaining work be completed by a and b?

Q. Four men can do a piece of work in 6 days, while 3 women can complete the same work in 16 days. In how many days 1 man and 2 women working together can complete the work?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Time and Work

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Standard VII Mathematics

Join BYJU'S Learning Program

CrossIcon