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With the rise in price by ₹ 5, the quantity demanded changes from 100 units to 95 units. The price elasticity of demand is (–) 1.2. Find out the price before change. - Economics

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Question

With the rise in price by ₹ 5, the quantity demanded changes from 100 units to 95 units. The price elasticity of demand is (–) 1.2. Find out the price before change.

Numerical
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Solution

Given ep = (–) 1.2, ΔP = 5, Q = 100, ΔQ = 95 – 100 = –5

ep = `"ΔQ"/"ΔP" xx P/Q`

⇒ –1.2 = `(–5)/5 xx P/100`

⇒ –1.2 = `– P/100`

⇒ P = 1.2 × 100

=  ₹ 120

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Chapter 22: Model Short Answer Questions - MODEL SHORT ANSWER QUESTIONS [Page 457]

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Frank Economics [English] Class 12 ISC
Chapter 22 Model Short Answer Questions
MODEL SHORT ANSWER QUESTIONS | Q 55. | Page 457
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