Price of a good rises from ₹ 7 per unit to ₹ 9 per unit but its demand remains unchanged. Calculate price ealsticity of demand.

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.

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.

Price of a good rises from Rs.5 to Rs. 6 per unit but it had no effect on demand of that good. Calculate price elasticity of demand of the good.

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

When price of a good is ₹ 13 per unit the consumer buys 11 units of that good, when price rises to ₹ 15 per unit, the consumer continues to buy 11 units. Calculate price elasticity of demand.

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