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
A) 7 hours 15 minutes  B) 8 hours 15 minutes  C) 7 hours 30 minutes  D) 8 hours 30 minutes  E) 8 HOURS 15 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 hours 15 minutes. ANSW8 HOURS 15 MINUTESR : 8 HOURS 15 MINUTES
<result>E</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?