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You might not have to use the circle properties for these DI questions, but it is a good piece of knowledge to have up your sleeve. For example, A sector of the pie chart is a part of the entire area of the same chart. An arc is a part of the circum...
You might not have to use the circle properties for these DI questions, but it is a good piece of knowledge to have up your sleeve.
For example,
A sector of the pie chart is a part of the entire area of the same chart. An arc is a part of the circumference, and likewise.
Pie Chart Sample Questions For Practice
Pie Chart 1
The given pie chart shows the distribution of New York market share by value of different computer companies in 2005.
Pie Chart 2
The pie chart shows the distribution of New York market share by volume of different computer companies in 2005.
Number of units sold in 2005 in New York = 1,500.
Value of units sold in 2005 in New York = USD 1,650,000.
Q1. For the year 2005, which company has realized the lowest average unit sales price for a PC?
A. Commodore
B. IBM
C. Tandy
D. Cannot be determined
Answer: Option D
Explanation:
Commodore may seem like the obvious answer, but the answer cannot be determined because we’re not aware of the break-up of sales value and the volume of companies compromising the other category.
Q2. In 2005, the average unit sale price of an IBM PC was approximately (in US$)?
A. 3180
B. 2800
C. 393
D. 3080
Answer: Option D
Solution:
IBM accounts for 28% of the share by value and 10% of the share by volume.
28% of 1650000 = 28 x 1650000/100 = 462000
10% of 1500 = 10 x 1500/100 = 150
Therefore, average unit sale price = 462000/150 = 3080.
Q3. Over the period 2005-2006, if sales (value-wise) of IBM PC's 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 New York (value-wise) increase over the same period?
A. 16.1 %
B. 18 %
C. 14 %
D. None of these
Answer: Option A
Explanation:
If the total sales is assumed to be 100 in the 1st year, IBM's sales would go up by about 50% (from 28 to 42) contributing an increase of 14 to the total sales value.
In the same way, Apple's would increase by about 15% contributing an increase of 2.1 to the total sales value. The net change would, therefore, be 14 + 2.1 on 100. (i.e., 16.1%)
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