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Vanderplank gave The theory of vertical resistance and horizontal resistance.
A man takes a total of 5 hrs 30 min by walking to a certain place and coming back by cycle. He would have gained 2 hrs 30 min by cycling both the ways. ...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 24 km/hr and 10 km/hr, respectively. If the di...
Buses A and B are moving around a circular ground of radius 350 m. If the speeds of the buses A and B are 11 m/sec and 20 m/sec respectively, then what ...
Saket and Rakesh are brothers whose shops are located at a distance of 10km and 12km respectively from their home. Both of them start at the same time f...
A person has to travel a distance of 30 km. He finds that he has covered 5/6 of the distance in 3 hours and 20 minutes. what is his speed in km/h?
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 train 400 meters long passes a platform of length 200 meters in 36 seconds. What is the speed of the train in km/h?
A train takes 16 seconds to pass a pole and 24 seconds to pass through a 200-meter-long tunnel. If the train overtakes a man running in the same directi...
A car's speed is 20% faster than that of a bike. The car takes 30 minutes longer than the bike to cover 120 km, while the bike covers 80 km. Find the ti...
Three cities A, B, and C are located such that they form the vertices of an equilateral triangle if joined by straight lines. Prasanna travels from A t...