The price of sugar increased by 10%. What % of consumption of sugar is to be reduced in order to keep the expenditure on sugar at the same level?
সঠিক উত্তর: Option C
at 10% increase,
if current price is 110 tk then previous price is 100 if " " " 1 tk then previous price is 100/110 if " " " 100 tk then " " " 100 X 100/110=90.09