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Since, the time taken by A and B is same, therefore the ratio of the distance covered by them will be equal to the ratio of their speeds. Therefore, ratio of the distance covered by A and B = 40:50 = 4:5 Let the distance covered by A and B be 4x km and 5x km According to the question, 5x – 4x = 20 Or, x = 20 Therefore, distance between them before starting = 5x + 4x = 9x = 180 km
Amrita traveled a certain distance, covering 50% of it at a speed of 15 km/h, then 40% of the remaining distance at 7.5 km/h, and the rest at 9 km/h. If...
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 person crosses a 600-metre-long street in 10 minutes. The speed of the person, in km/h, is:
A car running with a speed of 61 km/hr takes 20 hours to go from 'A' to 'B'. If on the way back from 'B' to 'A', the car takes 20% less time than it tak...
A train traveling at a speed of 90 km/h crosses a platform of length 200 meters in 24 seconds. What is the length of the train?
‘A’ and ‘B’ started moving towards each other at same time with a speed of 16 km/hr and 14 km/hr, respectively. If the distance covered by ‘Aâ...
A thief is spotted by a policeman from a distance of 200 m. When the policeman starts chasing, the thief also starts running. If the speed of the thief ...
A train has to cover a distance of 90 km in 15 hours. If it covers half the journey in 4/5 th of the time, the speed to cover remaining distance in the ...
How many km per hour does a man walk who passes through a street 1400 m long in 12 minutes?
A, B, and C together can complete a task in 24 days. A and B together can complete it in 36 days, and B and C together can complete it in 48 days. How m...
