Question
A man travelled at a speed of 20 m/min for 100 min, and
at a speed of 70 m/min for 50 min. His average speed is:Solution
The correct answer is D
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On travelling with 45% less speed than his actual speed, Mohan reached the destination 6 hours late. Find the time taken by him to reach his destination...
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Vicky and Vikram start running simultaneously around a rectangular track of length 500m from the same point at speeds of 30 km/hr and 20 km/hr. When wil...
Train P starts from Lucknow to Dehradun at 11:55 am with an average speed of 25.5 m/s. Train Q starts from Dehradun to Lucknow at 1:35 pm with an averag...
The ratio of the speed of a car to a bicycle is 4:1 and the bicycle covers 45 km less than the car in the same time interval. If the time taken by the c...
A Truck travel 300 km in 7 hours 30 minutes, if the speed of Bike 20% more than that of Truck, then find the time taken by Bike to travel 720 km.
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