Quantitative Aptitude Ques 218

Question: The ratio between the speed of car and a train is 15: 22, respectively. If the speed of the train is 35 km/h more than that of the car, what is the speed of the car?

Options:

A) 75 km/h

B) 110 km/h

C) 85 km/h

D) Cannot be determined

E) None of the above

Show Answer

Answer:

Correct Answer: A

Solution:

  • Let speed of car be x km/h. Then, the speed of train will be $ (35+x),km/h $ According to the question, $ \frac{x}{35+x}=\frac{15}{22} $

$ \Rightarrow $ $ 22x=15,(x+35) $

$ \Rightarrow $ $ 7x=15\times 35,\Rightarrow ,x=75,km/h $