A survey was made to find the type of music that a certain group of young people liked in a city.
The adjoining pie chart shows the findings of this survey.
From this pie chart, answer the following:

If 20 people liked classical music, how many young people were surveyed?

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Solution

According to the question, $10 %$ represents $20$ people.
Therefore, the total number of people surveyed will be represented by $100 %$ .
So, the total number of people surveyed
= $\frac{100 \times 20}{10}$
= $200$ people.
Hence, $200$ people were surveyed.

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Similar questions

Q. Question 1(i)
A survey was made to find the type of music that a certain group of young people liked in a city.
The adjoining pie chart shows the findings of this survey.
From this pie chart, answer the following:

If 20 people liked classical music, how many young people were surveyed?

A survey was made to find the type of music that a certain group of young people liked in a city. The above pie chart shows the findings of this survey.

(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?

Q. Question 1(iii)
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:

If a cassette company were to make 1000 CDs, how many of each type would be they make?

Question 109(ii)

A survey was carried out to find the favourite beverage preferred by a certain group of young people. The following pie chart shows the finding of this survey ?

If 45 people like tea, how many people were surveyed ?

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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. The adjoining pie chart shows the findings of this survey. From this pie chart, answer the following: If 20 people liked classical music, how many young people were surveyed?

According to the question, 10% represents 20 people. Therefore, the total number of people surveyed will be represented by 100%. So, the total number of people surveyed = 100×2010 = 200 people. Hence, 200 people were surveyed.

A survey was made to find the type of music that a certain group of young people liked in a city.
The adjoining pie chart shows the findings of this survey.
From this pie chart, answer the following:

If 20 people liked classical music, how many young people were surveyed?

According to the question, $10 %$ represents $20$ people.
Therefore, the total number of people surveyed will be represented by $100 %$ .
So, the total number of people surveyed
= $\frac{100 \times 20}{10}$
= $200$ people.
Hence, $200$ people were surveyed.