At a price of ₹ 5 per pen, the demand is 40 pens. The elasticity of demand is 0.75 and increases in price is ₹ 1 . Calculate the change in quantity of pens demanded.

Explain price elasticity of demand.

The price elasticity of demand of X is (-) 1.25. its price falls from ₹ 10 to ₹8 per unit. Calculate percentrage change in its demand.

price of a commodity decreases from ₹ 10 to ₹ 5 per unit. If the price elasticity of demand is 3 and the original quantity demanded is 40 units. Calculate the new quantity demanded.

Elasticity of demand is (-)3. if price rises from to ₹12 per units, what is the % change in demand?