When the price of a commodity is ₹ 20 per unit, its quantity demanded units. When its price rises by ₹ 5 per unit, its quantity demanded falls by 20 per cent. Calculate its price elasticity of demand. Is its demand elastic? Give reasons for answer.

the price of a commondity is ₹ 12 per unit and its quantity demanded is 500 units. When price rises by ₹ 3 per unit, its quantity demanded falls by 150 units. Calculate its price elasticity of demand. Is demand elastic ?

The price of commodity is ₹ 15 per unit and its quantity demanded is 500 units. Its quantity demanded rises by 80 units as a result of fall in its price by 20 per cent. Calculate its price elasticity of demand. Is its demand inelastic ? Give reason for your answer.

The price of a commodity is ₹12 per unit and its quantity supplied is 500 units. When its price rises to ₹15 per units, its quantity supplied rises to 650 units. Calculate is price elasticity of supply. Is supply elastic?

The price of a commodity is ₹ 10 per unit and its quantity demanded at this price is 500 units. If its quantity demanded rise by 75 units due to fall in price by 10 per cent, calculate its price elasticity of demand.

The qunantity demanded of a commodity at a price of ₹ 8 per unit is 600 units. Its price falls by 25 per cent and the quantity demanded rises by 120 units. Calculate the price elasticity of demand . Is its demand elastic ? Give reason for your answer.

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.