Quantitative Aptitude Ques 914

Question: A car covers a distance of 528 km in a certain time at a speed of 66 km/h. How much distance would a truck cover at an average speed which is 24 km/h less than that of the speed of the car in time which is 7 h more than that taken by the car? [IBPS RRB (Office Assistant) 2012]

Options:

A) 336 km

B) 682 km

C) 598 km

D) 630 km

E) None of these

Show Answer

Answer:

Correct Answer: D

Solution:

  • Case I Time taken by car $ =\frac{528}{66}=8h $ Case II Time $ =15h $ Speed $ =66-24=42km/h $

$ \therefore $ Distance covered by truck $ =Speed\times Time $ $ =42\times 15=630km $