A car start with a velocity 20 km/hr and after every hour its speed increases by 10 km/hr. After 8 hour it starts decreasing the speed 10 km/hr after every hour and finally it stops in the destination. What is the total length of the journey?
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.
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?
A cyclist starts with a constant speed of 20 km/hr from a corner of a rectangular park and he completes one round along the boundary in 24 minutes. Find the area (in km2) of a park, in the ratio between the length and the breadth of a park is 5 : 3.
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?
