`P.e_(D) = (-)1`, what will be percentage change in price that will raise the demand from 20 units to 30 units.

Price elasticity of demand of a good is (-)1. calculate the percentage change in price that will raise the demand from 20 units to 30 units.

Price elasticity of demand of a good is (-)1 . Calculate the percentage change in price that will raise demand from 20 units to 30 units.

P.e_(D) of a good is (-)1. Calculate the % change in price that will raise the demand from 20 units to 20 units.

A 5% fall in the price of a good raises its demand from 300 untis to 318 units. Calculate P.e_(D)

When price of a commodity X falls by 10 per cent, its demand rises from 150 units to 180 units. Calculate its price elasticity of demand . How much should be the percentage fall in its price so that its demand rises from 150 to 210 units.

When price of a commodity X falls by 10 percent , its demand rises from 150 units to 180 units. Calculate its price elasticity of demand . How much should be the percentage fall in its price so that its demand rises from 150 to 210 units.

P.e_(D) of a good is (-)1. when its price falls by one rupee, its demand rises from 16 units to 18 units. Calculate the price before change.

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.