If in a race, two cars ran at the same average speed, it means that the maximum speed attained during the race must be equal.
A car driver covers a distance of 78 km in 1.5 hrs by moving at a speed of x kmph for the first 30 min, then moving at double the speed for the next 40 mins, and then again moving at his original speed for the rest of the journey. What is the value of x?
A sports car covers a distance in 100 min, if it runs at a speed of 96 kmph on an average. The speed at which the car must run to reduce the time of journey to 80 min will be