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?
(i) As per the pie chart 10% people like classical music.
This 10% shows 20 people.
So,
Hence, Total of 200 people were surveyed.
(ii) According to the pie chart 40% people like the light music and it is greater than any other type of music.
So Light music is liked by maximum number of people.
(iii)
Total number of CD's = 1000
Number of CD’s for different music are as follows:
a) Semi Classical
= 1000 x 20%
= 200
b) Classical music
= 1000 x 10%
= 100
c) Folk music:
= 1000 x 30%
= 300
d) Light music:
= 1000 x 40%
= 400
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