Ratio of speeds of ‘A’ and ‘B’ is 5:7, respectively. If they participate in a 350-metre race and ‘B’ gives ‘A’, a head start of ‘m’ ...
A train passes two people who are walking in the opposite direction of the train at the rates of 4 m/s and 10 m/sec in 12 seconds and 10 seconds respect...
The distance between two points 'X' and 'Y' is 1,500 km. Raj and Suresh can cover the distance between 'X' and 'Y' in 25 hours and 20 hours, respectivel...
What is the length of the bridge which a man riding 21 km an hour can cross in 3 min.?
The speed of an electric car is 100 km/h, taking 7 hours to traverse a distance. A bus takes 5 hours to cover the same distance. If the electric car's s...
Resham travels 60 km at 20 km/h by cycle, 120 km at 60 km/h by car, and the remaining 10 km on foot at 2.5 km/h. Find her average speed for the whole jo...
Ratio of speeds of ‘A’ and ‘B’ is 4:9, respectively. If they participate in a 270-metre race and ‘B’ gives ‘A’, a head start of ‘m’ ...
A train is travelling at the rate of 90 km/hr. How many seconds it will take to cover a distance of 5/8 km?
The average speed of a car, a bus and a train together is 117 km/hr. andn ratio of their speed is 2 :4: 7. What is the average speed of a train and the ...
Arjun and Bittu together covered a total distance of 150 km. Arjun travels at a speed of 75 km/hr and Bittu at 25 km/hr. The total time they spent trave...
