Lesson eLearning

A line chart shows monthly sales of a shop for January through April: January ₹200, February ₹260, March ₹310, April ₹360. Which month had the highest increase in sales compared to the previous month?

medium MCQ 3 marks Class 4 · Mathematics · Smart Charts
  1. January
  2. February
  3. March
  4. April
Answer
February

The correct answer is February — Hence, February had the highest increase compared to the previous month.

Step-by-step solution

  1. Compute the increase from January to February: 260 - 200 = 60.
  2. Compute the increase from February to March: 310 - 260 = 50.
  3. Compute the increase from March to April: 360 - 310 = 50.
  4. The largest increase is 60, which occurs from January to February.
  5. Hence, February had the highest increase compared to the previous month.
Common mistake: Adding sales instead of calculating the difference, or comparing the wrong months.

Concept tested: Line chart interpretation

Published · How this solution was prepared and checked

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