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Q.

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, the number of young people surveyed is [[1]]

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answer is 200.

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Detailed Solution

From the given pie chart we can see that,

10% represents 100 people.

Then, 20% represents= $\frac{(100 \times 20)}{10} = 200$

Then, 200 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, the number of young people surveyed is [[1]]