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प्रश्न
The price of a commodity rises from ₹ 20 to ₹ 40 Consequently, its supply increases from 100 units to 400 units. Calculate price elasticity of supply.
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उत्तर
Es = `(ΔQ)/(ΔP)xxP/Q`
= `300/20xx20/100`
= 3
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