Data Interpretation - Bar Charts - Discussion

Study the bar chart and answer the questions.

Sale of Cellular Phones

1. 

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

Answer: Option D

Explanation:

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

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