Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages?

Question: Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages?Solution:Number of pages typed by Ravi in 1 hour = 32/6 = 16/3Number of pages typed by Kumar in 1 hour = 40/5 = 8Number of pages typed by both in 1 hour = (16/3 + 8) = 40/3Therefore Time taken by both to type 110 pages = 110 × (3/40) hours= 33/4 hours= 8.25 hours= 8 hour 15 minutes