If price of an article decreases from Rs. 25 to Rs. 20, quantity demanded increases from Q1 units to 1500 units. If price elasticity of demand is -1.25, find Q1?
1
900 units
2
1200 units
3
1800 units
4
2000 units
If price of an article decreases from Rs. 25 to Rs. 20, quantity demanded increases from Q1 units to 1500 units. If price elasticity of demand is -1.25, find Q1?