The speed of a van increases by 5 kmph after every one hour. If the distance travelled in the first one hour was 55 km, what was the total distance travelled in 8 hours?
A car can travels 450 km in 4 hours. If the speed is decreased by 15 1/2 kmph, how much time does the car take to cover a distance of 873 km?
A bus takes 1 hour 20 minutes more to travel a distance of 210 km, if its speed is reduced by 10 km/hr than actual speed. Find the time taken to cover a distance of 300 km at double the usual speed.
A boy started for school which is 12 km away from his home by bicycle at a speed of 8 km/hr but after 15 minutes he remembers that he forgot one of the book at home, so he increases his speed and returns back to home and also reaches his school in time. What is the percentage increase in his speed?
A man starts to run along a particular direction with a speed of 54 km/hr. After running upto a distance of 100 m, he increases his speed by 50% of the initial speed, and runs upto 200 m. What will be the total time taken by the man?
The speed of a car is 63 km/hr, if we don't let it stop at any point. If the car stops at stops, the speed of the car is 54 km/hr. What is the time in minutes that the car stops for per hour?
