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 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 good falls from ₹ 15 per unit to ₹ 12 per unit, its demand rises by 25% , calculate P.e_(D)

If price of a commodity rises from ₹ 8 to ₹10 per unit and its demand falls by 50% what is e_(D) ?

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