Question
The difference between the value of the number
increased by 10% and the value of the number decreased by 20% is 72. Find the number.Solution
Let the number be x According to the question x ×  110/100- x ×  80/100=72 110x - 80x = 7200 30x = 7200 x = 240
The statement, "The elasticity of demand may be defined as the percentage change in quantity demanded which would result from 1 percent change in price"...
 The above curve is a
If the firms under perfect competition have different costs, abnormal profits can be earned in the long run only by
Who introduced the concept of elasticity of demand?
When the economist speaks of an increase in demand, he is usually referring to a ____________________
Pricing decision includes
A movement along a demand curve indicates that a different quantity is being demanded
This movement is due to
Movement along a demand curve as a result of change in price is known asÂ
Under price discrimination, price will be higher in the market where demand is
Shifts in demand curve as shown in the figure below represents
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