NCERT - Mathematics

Book: NCERT - Mathematics

Chapter: 5. Data Handling

Subject: Maths - Class 8th

Q. No. 1 of Exercises 5.2

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A survey was made to find the type of musicthat a certain group of young people liked ina city.Adjoining pie chart shows the findingsof this survey.

From this pie chart answer the following:

(i) If 20 people liked classical music, howmany young people were surveyed?

(ii) Which type of music is liked by themaximum number of people?

(iii) If a cassette company were to make1000 CD’s, how many of each typewould they make?

(i) As per the pie chart 10% people like classical music.

This 10% shows 20 people.


100% represents

= 200

Hence,Asum of 200 people were surveyed.

(ii) According to the pie chart,

Light music is liked by maximum number of people.

(iii) 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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