A man travels 120 km at 40 km/h and returns the same distance at 60 km/h. What is his average speed for the whole journey?
A train is travelling at the rate of 90 km/hr. How many seconds it will take to cover a distance of 3/5 km?
- The speed of ‘A’ and ‘B’ is 25 km/hr and 45 km/hr, respectively. If the distance travelled by ‘A’ is 36 km less than that of ‘B’, in same t...
A boat can travel 80 km downstream in 8 hours, and it can travel the same distance upstream in 10 hours. What is the speed of the boat in still water?
If the sum of upstream and downstream speed is 32 km/hr and the speed of the current is 6 km/hr. Then find time taken to cover 44 km in downward?
- A delivery boy travels a certain distance from his warehouse to the customer’s house. At a speed of 15 km/h, he arrives 18 minutes late. But when riding ...
As observed from the top of a light house, 120 √3 m above the sea level, the angle of depression of a ship sailing towards it changes from 30°...
If 'P' reduces his speed by 40% of his original speed, he arrives at his destination 3 hours later than usual. How much time would he take to reach his ...
A person walks at 5 km/h and runs at 10 km/h. He covers 18 km, and his walking time is twice his running time. Find the total time taken.
A, B, and C are working together on a project. A can complete the project alone in 15 days, B in 20 days, and C in 30 days. On the first day, A, B, and ...