Lesson eLearning

A car travels 120 km at a constant speed of 60 km/h. How many hours will it take to cover this distance?

medium MCQ 3 marks Class 7 · Science · Motion and Time
  1. 1 hour
  2. 2 hours
  3. 2.5 hours
  4. 3 hours
Answer
2 hours

The correct answer is 2 hours — Step 4: State that the car will take 2 hours to cover 120 km.

Step-by-step solution

  1. Step 1: Recall the time–distance–speed relation .
  2. Step 2: Substitute the known values: .
  3. Step 3: Perform the division: .
  4. Step 4: State that the car will take 2 hours to cover 120 km.
Common mistake: Dividing speed by distance instead of distance by speed

Concept tested: Time–speed relation

Published · How this solution was prepared and checked

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