Question

A vehicle can cover a certain distance in 14 hours with a speed of 65km/h. Howling will it take to travel with a speed of 91 km/h​

Answer 1

Answer:

If the vehicle travelled 65 km in 14 hours

then

total distance= speed×time

distance travelled= 910km

therefore the vehicle travelled 910 km in 14 hours

If it must attain a speed of 91 km/h

then

14×91=1274

it should travel a distance of 1274km in 14 hours

therefore it can travel at a speed of 91 km/h

If the vehicle has to increase the speed

then

91-65=26

it should cover 26 km extra each hour

which gives a speed of 91km/h