Question

Abhimanyu covers 360 km distance from Delhi to Ludhiyana in three equal parts by Train, by Car and by Cycle. Average speed of Journey by train is five times the average speed of Cycle and 20 km/h more than the average speed of Car and he takes 1 hour more to cover the distance by Car than Train. Find average speed of Journey.

Answer 1

Answer:

Let the speed of train that started from Delhi is x km / hour

speed of train that started from Lucknow is x +15

first train covered 8x km in 8 hours

second train covers 8(x+15) in 8 hours

total distance covered = 8x+ 8x+120 = 620

16x = 500

X = 31.25 km

speed of train that starts from Lucknow = 31.25+15= 46.25 km/ hour

4.1

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