When price of commodity X changes from Rs.40 per unit to Rs.20 per uni – InterviewSolution

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1.	When price of commodity X changes from Rs.40 per unit to Rs.20 per unit, its demand increases by 20 units. If price elasticity of demand is 0.5, calculate the initial and final quantity demanded of commodity X.
Answer» -0. 5 this is the CORRECT ANSWER for this QUESTION

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