Quantitative Aptitude Ques 258

Question: How many seconds will a train 120 m long running at the rate of 36 km/h take to cross a bridge of 360 m in length?

Options:

A) 40 s

B) 48 s

C) 36 s

D) 46 s

Show Answer

Answer:

Correct Answer: B

Solution:

  • Speed of train $ =36,km/h=36\times \frac{5}{18}=10,m/s $ Total distance covered by train $ =120+360=480,m $

$ \therefore $ Time taken by train to cross the bridge $ =\frac{Total,distance}{Speed}=\frac{480}{10}=48,s $