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?
Choose the correct choice from the following choices:
A) 7 hours 30 minutes  B) 8 hours  C) 8 hours 15 minutes  D) 8 hours 25 minutes  E) 7 hours 35 minutes
Number of pages typed by Ravi in 1 hour =	32/6	=	16/3	.   Number of pages typed by Kumar in 1 hour =	40/5= 
<gadget id="calculator">40/5</gadget>
<output>8</output>
8.   Number of pages typed by both in 1 hour=	(16/3+ 8)	=	40/3	.   Therefore Time taken by both to type 110 pages =	(	110 x	3/40	)	hours   = 8	1/4 hours (or) 8 hours 15 minutes.   Option 8 hours 15 minutes
<result>C</result>
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?