24. Price of sugar rises by 20%. By...
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24. Price of sugar rises by 20%. By how much percent should the consumption of sugar be reduced so that the expenditure does not change? (1) 20 (2) 10 (3) 16 (4) 15

11th - 12th Class
Maths
Solution
125
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Rise in sugar ( p B C C rightarrow 2=20 % ) ( therefore ) Reduction in consumption ( =frac{left(frac{r}{100+r}right) times 100 %}{frac{30}{1206} times 100 %} ) ( =frac{1800}{16 frac{2}{3} %} )
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