Goods and Service tax on bread increases its cost by 15%. To keep their budget in control a family reduces its bread consumption by 15%.
What is the percent increase or decrease in the expenditure of the money?
If the price of CNG increases by 12.5%, find how much per cent its consumption be reduced so as not to increase the expenditure.
The number of seats in a cinema hall is increased by 25%. The cost of each ticket is increased by 10%. What will be the effect of these changes on the revenue collection and how much?
A merchant has 1000 kg of sugar, part of which he sells at 8% profit and the rest at 18% profit. He gains 14% on the whole. What is the quantity he sold at 18% profit ?
