Quantitative Aptitude Ques 1336

Question: Two goods train each 350 m long are running in opposite directions on parallel tracks. Their speeds are 42 km/h and 30 km/h, respectively. Find the time taken by the slower train to pass the driver of the faster train

Options:

A) 38 s

B) 32 s

C) 39 s

D) 35 s

Show Answer

Answer:

Correct Answer: D

Solution:

  • Relative speeds $ =(42+30),km/h $ $ =74km/h=( 72\times \frac{5}{18} )=20m/s $

$ \therefore $ Time taken to cross each other $ =\frac{350+350}{20}=35s $