Vinay and Praveen working together can paint the exterior of a house in 6 days. vinay by himself can complete the job in 5 days less than Praveen. How long will it take Vinay to complete the job?

Rehana works 2 1/2 hours each day on her embroidery. She completes the work in 7 days. How many hours did she take to complete her work?

A and B together can finish a piece of work in 12 days. If 'A' alone can finish the same work in 20 days, how many days B alone can finish it ?

Deepak can paint 2/5 of a house in one day. If he continues working at this rate, then how many days will he take to paint the whole house?

Ravi can paint (3)/(7) of a house in one day. If he continues working at this rate, how many days will he take to paint the whole house?

24 men working at 8 hours per day can do a piece of work in 15 days. In how many days can 20 men working at 9 hours per day can complete the same work?

12 painters can paint a wall of 180 m long in 3 days. How many painters are required to paint 200 m long wall in 5 days?

30 labourers can built a wall in 9 days. If the same wall is to be built by 20 labourers how many days they will take to complete it?

IF there are 6 periods in each working day of a school , then the number of ways that you can arrange 5 subjects the working day is

Formulate the following problem as a pair of equations and then find their solutions. 2 women and 5 men can together finish an embroidery work in 4 days while 3 women and 6 men can finish it in 3 days. Find the time taken by 1 women alone and 1 man alone to finish the work.

If 14 typists typing 6 hours a day can take 12 days to complete the manu script of a book, then how many days will 4 typists, working 7 hours a day,can take to do the same job?