Ravi and Kumar are working on a project together. Ravi types 32 pages on a computer in 6 hours, whereas Kumar types 40 pages in 5 hours. How long will it take them to type a 110-page assignment while working on two different computers?
A. 7 hours 30 minutes
B. 8 hours
C. 8 hours 15 minutes
D. 8 hours 25 minutes
Answer:C
Ravi and Kumar are working on a project together. Ravi types 32 pages on a computer in 6 hours, whereas Kumar types 40 pages in 5 hours. How long will it take them to type a 110-page assignment while working on two different computers?
A. 7 hours 30 minutes B. 8 hours C. 8 hours 15 minutes D. 8 hours 25 minutes
Explanation: Ravi typed 32 pages in 1 hour, which is 16/3.Kumar typed a total of 40/5 = 8 pages in one hourNumber of pages written in one hour by both Equals ( 16/3 + 8 ) = 40/3,As a result, the time it took both of them to type 110 pages equals (110 x3/4) hours = 8 1/4 hours (or) 8 hours 15 minutes.