IIFT 2012 Question Paper Question 19

Instructions

Study the following pie charts regarding to sales of 5 models of cars for the years 2010 and 2011, and answer the question



Question 19

If the 2010 sales for all car models is 80,000 and these have grown by 25% in 2011, then how many models have grown more than the average growth rate for all the models taken together?

Solution

The number of Figos sold in 2010 = 80000*9/100 = 7200
The total number of cars sold increase by 25% and thus, total number of cars in 2011 = 100000
Thus, the total number of Figos sold in 2011 = 100000*44/360 = 12222
We can calculate the number of cars sold for the remaining cars too and the result is tabulated as shown below:-


Thus, we can see that 3 models have grown more than the average growth rate(of 25%) for all the models taken together.
Hence, option B is the correct answer.


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