If Sumit covers a distance of 75 km on a bicycle in 6 hours at a uniform speed, find his speed. ,

A car covers a distance of 686 kms in 14 hours What is the speed of the car ?

A person covers a distance of 80 km in 8 hours. some part of this journey is completed at the speed of 8 km/h and the rest at 16 km/h. Find distance covered at both speeds respectively.

A person covers a distance of 61 km in 9 hours. Some part of this journey is covered on foot at the speed of 4 km/h and the rest by cycle at the speed of 9km/h. Find the distance of both cases .

A train covers a distance of 480 km at a uniform speed. If the speed had been 8 km/hr less then it would have taken 3 hours more to cover the same distance. Find the usual speed of the train.