Working 4 hours a day,Sunny can copy a book in 15 days.How many hours a day should she work so as to finish the work in 12 days ?

Lipika reads a book for 1 3/4 hours everyday. She reads the entire book in 6 days. How many hours in all were required by her to read the book?

2 women and 5 men can together finish an embriodery work in 4 days, while 3 women and 6 men can finish it in 3 days. Find the time taken by 1 woman alone to finish the work, and also that taken by 1 man alone.

33 cows can graze a field in 12 days.How many cows will graze the same field in 9 days ?

What fraction of a day is 6 hours?

What fraction of a day is 8 hours?

Formulate the following problems as a pair of equations, and hence 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 woman alone to finish the work, and also that taken by.l man alone.

Two persons could fit new windows in a house in 3 days : How many persons would be needed to fit the windows in one day?