Question

Study the two pie charts and answer the questions based on them.Number of units sold in 2005 in New York = 15000
Value of units sold in 2005 in New York = US $16,500,000
Q. Over the period 2005-2006, if sales (value-wise) of HP PCs increased by 50% and of Apple by 15% assuming that PC sales of all other computer companies remained the same, by what percentage (approximately) would the PC sales in India (value-wise) increase over the same period ?

• A. 12.5%
• B. 11.35%
• C. 13.35%
• D. 14.33%
• E. None of the above

Answer 1

The correct option is C 13.35%

If we assume the total sales to be 100 in the first year, HP's sales would go up by 50% (from 21 to 31.5) contributing an increase of 10.5 to the total sales value.
Similarly, Apple's increase of 15% would contribute an increase of 2.85 to the total sales value. The net change would be 10.5 + 2.85 on 100. (i.e., 13.35%)
Increase in value-wise sales of HP and Apple $=\frac{50}{100}\times 21+\frac{15}{100}\times 19=13.35\%$