when pirce of a commodity gets doubled, its quantity demanded reduced to half . Calculate the coefficient of price elasticirty of demand .

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.

When price of a commodity A falls from ₹ 10 to ₹5 per units, its quantity demanded doubles. Calculate its elasticity of demand : At what price will its quantity demanded fall by 50%.

When the price of X doubles , its quantity demanded falls by 60 percent . Calculate its price elasticity of demand . What should be the percentage change in price so that its quantity demanded doubles.

When the price of a commodity falls by ₹ 2 per unit , its quantity demanded increases by 10 units . Its price elasticity of demand is (-) 1. Calculate its demanded at the price before change was ₹ 10 per unit.

At a price of Rs. 50 per unit the quantity demanded of a commodity is 1000 units . When its price falls by 10 percent , its quantity demanded rises to 1080 units . Calculate its price elasticity of demand . Is its demand inelastic ? Given reasons for your answer.

When the price of commodity A falls from ₹10 to ₹5 per unit, its quantity demanded doubles. Calculate its elasticity of demand. At what price will its quantity demanded fall by 50 percent ?

When price of a commodity falls by 80 % , the quantity demanded of it increases by 100 %. Find out its price elasticity of demand.