ATQ, Speed of the tyre = 144 × (5/18) = 40 m/s Circumference of the tyre = 2πr = 2 × (22/7) × (70/2) = 220 metres Time taken by the tyre to make 12 revolution = 12 × (220/40) = 66 seconds
Sheila walks at the speed of her usual speed (20/21) and determines a clear distance in eight minutes more than the time it takes in normal speed. Calcu...
A person travels by car at 50 km/h for 3 hours, by a bike at 40 km /h for 2 hours, and by a train at 60km/h for 5 hours. What is the average speed at wh...
A boy goes to school at 8 km/Hr and return at a speed of 7 km/hr. If he takes 15 hrs in all. Find the distance from his village to school?
A man travels some distance at a speed of 20 km/hr and returns at a speed of 12 km/hr. If the total time taken by him is 2 hrs 40 min, the distance is ...
In a 250-metre race, ‘A’ beats ‘B’ by 16 seconds or 80 metres. Find the time taken by ‘B’ to finish the race.
Speed of a car and a bus is 20 km/h and 12 km/h, respectively. If the time taken by the car to cover a distance of ‘5x’ km is 1 hour less than time ...
If a car runs at 30 km/hr, it reaches its destination late by 15 minutes but if runs at 45 km/hr it is late by 7 minutes. What is the correct time for t...
Amit covered 360 kilometers in total trip time. He covered the remaining 200 km on a bicycle at a speed that was 5 km/h slower than that of the bus afte...
Average speed of ‘A’ during a 24-hour journey is 36 km/h. If he covered the first 150 km of his journey at a speed of 15 km/h, then find the speed a...
The speed of a bike increases by 3 km/hr after every 1 hour. If the distance travelled by the bike in 1st hour is 24 km, the find the total distance tra...
