"A car starts running with the initial speed of 40 kmph, with its speed increasing ever hour buy 5
Channel: Doubtnut
Date: 2020-04-12

"A
 car starts running with the initial speed of 40 kmph, with its speed
 increasing ever hour buy 5 kmph. How many hours will it take to cover a
 distance of 385 km?
`7\ hou r s`
b. `9\ hou r s`
c. `8 1/2hou r s`
d. `9 1/2hou r s`"