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.

What price of a commodity falls by ₹ 1 per unit , its quantitfy demanded rises by 3 units. Its price elasticity of demand is (-) 2. calculate its original quantity demanede if the price before the change was ₹ 10 per units.

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

When price of a commodity fall by ₹1 per unit, its quantity demanded rises by 3 units. If P.e_(D) = (-)2 calculate its qty. demanded if qty. demanded if price before change was ₹ 10 per unit.

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

When the price of a commodity falls from Rs.10 to Rs.9 per unit, its quantity falls by 30% . Calculate price elasticity of supply.

When price of a good falls from ₹ 15 per unit to ₹ 12 per unit. Its demand rises by 25 percent. Calculate price elasticity of demand.