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A survey was made to find the type of music that a certain group of young people liked in a city. Adjoining pie chart shows the findings of this survey.
From this pie chart answer the following −
(i) If 20 people liked classical music, how many young people were surveyed?
(ii) Which type of music is liked by the maximum number of people?
(iii) If a cassette company were to make 1000 CD’s, how many of each type would they make?
Asked by Venkat Last Modified
Answer 
percentage of people like classical music=10%
number of peoples like classical music=20
total number of peoples surveyed=x
x*10/100=20
x=20*100/10=200
(ii)light music is liked by the maximum number of people, since the percentage value is more for light music
(iii)semiclassical percentage=20%
total number of CD's=1000
number of semiclassical CD's=1000*20/100=200
classical percentage=10%
number of classical CD's=1000*10/100=100
folk percentage=30%
number of folk CD's=1000*30/100=300
light percentage=40%
number of light CD's=1000*40/100=400
read less(i) Number of people who like classical music = 10%
This 10% represents 20 people.
100 % represents = 
people
Therefore, 200 young people were surveyed.
(ii) From the pie chart, it can be easily observed that the light music is represented by the maximum part of the pie chart (i.e., 40 %). Hence, most of the people like light music.
(iii) Number of CD’s of classical music = 10% of 1000
Number of CD’s of semi-classical music = 20% of 1000
Number of CD’s of folk music = 30% of 1000
Number of cassettes of light music = 40% of 1000
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