Time and Work Maths - Time and Work

Rohan can paint \(\frac{1}{3}\) of a painting in 6 days. How many days will he take to complete the painting?

8 men can do a piece of work in 9 days. In how many days will 6 men do it?

6 men can complete the electric fitting in a building in 7 days. How many days will it take if 21 men do the job?

Neha types 75 pages in 14 hours. How many pages will she type in 20 hours?

Working 8 hours a day, Ashu can copy a book in 18 days. How many hours a day should he work so as to finish the work in 12 days?

Rakesh can do a piece of work in 20 days. How much work can he do in 4 days?

Mohan takes 9 hours to mow a large lawn. He and Sohan together can mow it in 4 hours. How long will Sohan take to mow the lawn if he works alone?

If 9 girls can prepare 135 garlands in 3 hours, how many girls are needed to prepare 270 garlands in 1 hour?

A pipe can fill a cistern in 10 hours. Due to a leak in the bottom it is filled in 12 hours. When the cistern is full, in how much time will it be emptied by the leak?

A cistern can be filled by one tap in 8 hours, and by another in 4 hours. How long will it take to fill the cistern if both taps are opened together?

Aasheesh can paint his doll in 20 minutes and his sister Chinki can do so in 25 minutes. They paint the doll together for five minutes. At this juncture they have a quarrel and Chinki withdraws from painting. In how many minutes will Aasheesh finish the painting of the remaining doll?

A and B can do a piece of work in 18 days; B and C in 24 days and A and C in 36 days. In what time can they do it, all working together?

A and B can do a piece of work in 6 days and 4 days respectively. A started the work; worked at it for 2 days and then was joined by B. Find the total time taken to complete the work.

A and B can do a piece of work in 12 days; B and C in 15 days; C and A in 20 days. How much time will A alone take to finish the work?

A, B and C can reap a field in \(15\frac{3}{4}\) days; B, C and D in 14 days; C, D and A in 18 days; D, A and B in 21 days. In what time can A, B, C and D together reap it?

Anil can do a piece of work in 5 days and Ankur in 4 days. How long will they take to do the same work, if they work together?

A cistern can be filled by a tap in 4 hours and emptied by an outlet pipe in 6 hours. How long will it take to fill the cistern if both the tap and the pipe are opened together?

Sita can finish typing a 100 page document in 9 hours. Mita in 6 hours and Rita in 12 hours. How long will they take to type a 100 page document if they work together?

A and B can polish the floors of a building in 10 days. A alone can do \(\frac{1}{4}\text{th}\) of it in 12 days. In how many days can B alone polish the floor?

A and B can finish a work in 20 days. A alone can do \(\frac{1}{5}\text{th}\) of the work in 12 days. In how many days can B alone do it?