Question

The distance between Delhi and Lucknow is 720 km two trains start from the two station simultaneously towards each other the speed of the train starting from Delhi 15 km per hour less than the speed of the train starting from Lucknow after 8 hour, the train are 100km apart from each other what is the speed of the train that started from Lucknow?

Answer 1

Ur Answer Is 46.25 km/HR
$(46.25) \times 8 = 370 \\ 31.25 \times 8 = 250 \\ 250 + 370 = 620$
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Answer 2

Answer:

Speed of Lucknow = x

Speed of Delhi = x -15

After eight hours,

Speed of Lucknow = 8x

Speed of Delhi = 8(x-15) or 8x -120

ATQ, (according to question)

8x-120+8x+100 = 720

16x = 720-100+120

x =740/16

x= 46.25

Speed of train is 46.25 km/hour