For doing some work, Pintu takes 6 days more than Nishu. If both work together, then they complete the work in 4 days. Find the number of days taken, if Pintu and Nishu work alone.

For doing some work, Ganesh takes 10 days more than John. Together, they will complete the work in 12 days. Find the number of days to complete the work if Ganesh works alone.

Pintu takes 6 days more than Nishu to complete certain work. If they work together, they finish it in 4 days. How many days would it take to complete the work if they work alone?

Anand takes 9 days more than his father to do a certain piece of work. Together they can do the work in 6 days. How many days will Anand take to do that work alone?

Solve the following problems : Yogesh required 3 days more than vivek to do a work. If both of them work together, the work can be completed in 2 days . Find the number of days required by each of them to complete the work.

Pintu takes 6 days more than those of Nishu to complete certain work. If they work togeter they finish it in 4 days. How many days would it take to complete the work if they work alone.

If 12 labourers take 70 days to complete one work , how many days will 21 labourers take to complete the same work ?

Complete the following activities 3 persons can build a small house in 8 days. Complete the following activity to find the number of Persons required to build the same house in 6 days. Let x persons are required to build the house in 6 days. The number of Persons and the number of days required to build a house are in inverse proportion. Therefore, he product of the number of persons and the number of days is constant.

Preeti reached the metro station and found that the escalator was not working. She walked up the stationary escalator in time t_1 . On other days. if she remains stationary on the moving escalater, then the escalator takes her up in time t_2 . The time taken by her to walk up on the moving escalator will be: