The quantity demanded increases from 100 units to 200 units when the price decreases from ₹12 to ₹ 10. Calculate the elasticity of deamand.

The quantity demanded of a commodity rises from 800 units to 850 units when its price falls from Rs. 20 per unit to Rs. 19 per unit . Calculate its elasticity of demand.

Demand increases by 10 units when the price decreases by ₹2. As a result, deamand increases to 100 units and price decreases to ₹8 . Find out the price elasticity of demand .

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.

Price of a good rises from ₹ 10 to ₹ 12 and its demand falls from 120 units to 100 units.Calculate price elasticity of demand.

A household increases its demand for a commodity from 40 units to 50 units when its price falls by 10%. What is the price elasticity of demand of the commodity ?

Quantity supplied of a commodity increases by 25% when its price rises from 4 per unit. Calculate the elasticity of supply.

When price of a good falls from ₹ 10 per unit to ₹ 7 per unit, quantity demanded of the good rises from 100 to 160 units. Calculate its elasticity of demand.

The quantity demanded of a commodity falls by 5 units when price rises by ₹ 1 per units. Its price elasticity of demand is (-) 1.5. calculate the price before change if it this price quantity demanded was 60 units.

As price of a commodity increases from ₹ 4 per unit to ₹ 5 per unit, demand falls from 20 units to 10 units. Find out the elasticity of demand.