# Easy Bar Charts Solved QuestionData Interpretation Discussion

Common Information

Study the bar chart and answer the questions.

 Q. Common Information Question: 1/4 The difference in the sales of cellular phones for the years 1997 and 1999 is?
 ✖ A. 500 units ✖ B. 1,000 units ✖ C. 5,000 units ✔ D. 18,000 units

Solution:
Option(D) is correct

The required answer is got by $48,000 - 30,000 = 18,000$