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Deepak kumar Singh

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· 1 Months ago

What's special (Question:117204.0)

What's special to put video only to this question

Question:
If I walk at 3 km/h, I miss a train by 2 minutes. If however, I walk at 4 km/h, then I reach the station 2 minutes before the arrival of the train. How far do I walk to reach the station?
Options:
A) \(\cfrac{3}{4}\) km
B) \(\cfrac{4}{5}\) km
C) \(\cfrac{5}{4}\) km
D) 1km
Solution:
Ans: (b) \(\cfrac{x}{4}-\cfrac{x}{3}=\cfrac{4}{60}=\cfrac{1}{15}\)

\(x=\cfrac{4}{5}\)

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