# 1. 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)If 20 people liked classical music

Total number of people = $(100\times 20)\div 10$ = $200$ people.

(ii)  Maximum number of people light music i.e.$40 \%$.

(iii) If a cassette company were to make 1000 CD’s, then

Light music CD's = $( 40\times 1000) \div 100\:\:=400$

Folk music CD's = $\left ( 30\times 1000 \right )\div 100\:\:=300$

Classical music CD's = $\left ( 10\times 1000 \right )\div 100\:\:=100$

Semi classical music CD's = $\left ( 20\times 1000 \right )\div 100\:\:=200$

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