"A salesman travels a distance of 50 km in 2 hours and 30 minutes. How much faster, in kilometres
Channel: Doubtnut
Date: 2020-04-05

"A salesman travels a distance of 50 km in 2 hours and 30 minutes. How much faster, in kilometres per hour, n a n average must he travel to make such a trip in `5/6`hour less time? `10`b. `20`c. `30`d. none of these"