Question

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} %} )

# 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

Solution