Suppose price elasticity of demand for a good is -0.2. How will the expenditure on good be affected if there is 10% increase in price of the good ?

Suppose price elasticity of demand for a good is -0.2. if there is 5% increase in price of the good, by what percentage will the demand for the good go down ?

price elasticity of demand of a good is -0.75. calculate the percentage fall in its price that will result in 15 per cent rise in its demand.

The price elasticity of demand of good X si double the price elasticity of demand of Good Y . A 10% rise in the price of good Y results in fall in its demand by 60 units. If original demand of commodity Y was 400, calculate percentage rise in quantity demanded of good X when its when its price falls from ₹ 10 to ₹ 8 per unit.