Let the values of 'u' and 'v' be '3a' and '4a', respectively. ATQ, 
Required square of difference between two numbers: 
A person crosses a 2400 m long street in 12 min. What is his speed (in km/h)?
Two cars A and B travel from one city to another, at speeds of 72 km/hr and 90 km/hr respectively. If car B takes 1 hour lesser than car A for the jour...
A motorcycle begins its journey at point X, traveling at a constant speed of 85 km/h. Meanwhile, a car starts at point X with a speed of 60 km/h and acc...
A man travelled a distance of 47 km in 6 hours. He travelled panly on foot at a speed of 6(1/2) km/h and the rest on bicycle at a speed of 8(1/2)km/h. T...
1470 metres long train crosses a man who is moving in the same direction with a certain speed, in 30 seconds. If the same train can cross a tree in 7 se...
Person 'A' left the college at 7 PM at 65% of the original speed. After 30 minutes, he reached the grocery store, picked up a bag...
A train has to cover a distance of 350 km in 25 hours. If it covers half journey in 3/5th time, then the speed of covering the remaining dist...
Average speed of ‘A’ during a 24-hour journey is 32 km/h. If he covered the first 160 km of his journey at a speed of 20 km/h, then find the speed a...
Vicky and Vikram start running simultaneously around a rectangular track of length 840m from the same point at speeds of 40 km/hr and 32 km/hr. When wil...
