Quantitative Aptitude Ques 106

Question: How many seconds will a 500 m long train take to cross a man walking with a speed of 3 km/h in the direction of the moving train, if the speed of the train is 63 km/h?

Options:

A) 25

B) 30

C) 40

D) 45

Show Answer

Answer:

Correct Answer: B

Solution:

  • Relative speed of train $ =,63-3=60,km/h $ $ =60\times \frac{5}{18}m/s $

$ \therefore $ $ Time=\frac{Length,of,train}{Relative,speed}=\frac{500\times 18}{60\times 5}=30,s $