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सुधार
A train travels at an average speed of 75 km per hour without stoppage and with stoppages it covers the same distance at an average speed of 55 km/hr. H...
A train whose speed is 40 m/s crosses a bridge in 20 seconds. Another train which is 80m shorter than the first train crosses the same bridge at the spe...
In a 900 meter marathon, if Akhil beats Suraj by 150 meters and Suraj beats Puneet by 300 meters, then find the distance by which Akhil beats ‘C’.
A bicycle moves at 30 km/h and needs 9 hours to complete a journey. A van completes the same journey in 3 hours. If the bicycle's speed is increased by ...
A man travelled a total distance of 300 km. He travelled first 100 km on car with a speed of 20 km/h and rest of the distance on bike whose speed is 10 ...
Aman and Bhanu, two friends, started running together at 40 m/s and 18 m/s, respectively, along a circular track in the same direction. How long will it...
A train has to cover a distance of 90 km in 15 hours. If it covers half the journey in 4/5th of the time, the speed to cover remaining distance in the t...
A man travels some distance at a speed of 20 km/hr and returns at a speed of 15 km/hr. If the total time taken by him is 2 hrs 20 min, the distance is
The speed of the cycle changes with the change in speed of wind. Time taken by cycle to travel 20 km., is 2 hours when wind is in the direction of the c...