Price of a commodity falls from ₹ 40 to ₹ 30 per unit. Quantity demanded intially was 60 units. By how much the quantity will rise if elasticity of demand is established to be unitary ?

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.

Price of a commodity fall from ₹ 20 to ₹ 15 per unit. Its demand rises from 600 units to 750 units. Calculate its price elasticity of demand.

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.

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.

If price of a good rises from ₹ 46 to ₹ 50 per unit, the demand decreases from 30 units to 15 units. Calculate co-efficient of price elasticity of demand.

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 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 good falls from ₹ 5 to ₹ 3 per unit, its demand rises by 40 % . Calculate its price elasticity of demand.

Price of a good falls from ₹ 10 to ₹8. As a result, its demand rises from 80 units to 100 units. What is the price elasticity of demand ?