Quantitative Aptitude Ques 158

Question: A 260 m long train crosses a platform thrice its length in 80 s. What is the speed of the train in km/h?

Options:

A) 52.4

B) 46.8

C) 35.1

D) Cannot be determined

E) None of the above

Show Answer

Answer:

Correct Answer: C

Solution:

  • Length of the train = 260 m Then, length of the platform $ =260\times 3 $ $ =780,m=0.78,km $

$ \therefore $ $ Speed\text{=}\frac{Distance,\text{(length)}}{Time}=\frac{0.78km}{\frac{80}{60\times 60}h} $ $ =\frac{0.78\times 60\times 60}{80}=35.1,km/h $

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