The demand for a good falls to 240 units is respone to rise in price by ₹ 2. if the original demand was 300 units at the price of ₹ 20, calculate price elasticity of demand.

The Percentage change in demand is three times the percentage change in price. If original demand was 30 units at the price of ₹ 7 per unit, then calculate the price elasticity of demand, given price increased by 10% . Indicate whether the demand is elastic or not. Also calculate the new quantity demanded.

The market demand for a good at ₹ 4 per unit is 100 units. Due to increase in price, the market demand falls to 75 units. Find out the new price, elasticity of demand is (-)1.

A 5 per cent fall in the price of a good raises its demand from 300 units to 318 units. Calculate its price elasticity of demand.

Market dmand for good at price ₹ 10 per unit is 100 units. When its price changes, its market demand falls to 50 units. Find out the new price, if the price elasticity of demand is (-)2.

As a result of 10% rise in the price of a good, its demand falls from 100 unit to 90 units. Find out the price elasticity of deamand.

Price of a good rises by per cent but there is no effect on demand of the good due to this price rise. Calculate price elasticity of demand.