Ex.2. The percentage of people from...
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Ex.2. The percentage of people from non tage of people from non-west zone who take coffee only once a week' is approxi- mately (1) 11 (2) 12 (3) 13 (4) 14

11th - 12th Class
Maths
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Sol. (4) Total people in north zone ( =4840 ) Total people in south zone ( =3390 ) Total people in east zone ( =2820 ) Total population ( =4840+3390+2820=11050 ) People who take coffee only once a week in these zones ( =620+540+350=1510 ) Required per cent ( =frac{1510}{11050} times 100=14 )
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