WBCS.LIVE practice question

The speeds of three cars are in the ratio 2:3:4. The ratio between the time taken by these cars to travel the exact same distance is:

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 2:3:4
  2. 4:3:2
  3. 6:4:3
  4. 3:4:6

Correct answer and explanation

Correct answer: 6:4:3

Explanation: āœ… Correct Answer: C) 6:4:3 šŸ“š Explanation: Time and speed are inversely proportional to each other when covering a constant distance. If the speed ratio is 2:3:4, the time ratio will be exactly 1/2 : 1/3 : 1/4. To simplify these fractions into whole numbers, multiply each of them by the Least Common Multiple (LCM) of the denominators (2, 3, and 4), which is 12. Multiplying gives exactly 6:4:3.