Question
A person gives 20% of his salary to his wife and 25% of
the remaining to his children. Now he is left with Rs. 27000. What is his total salary?Solution
Let the total salary be x x × (100 – 20)% × (100 – 25)% = 27,000 x ×  80/100 ×  75/100 = 27,000 x = (27000 ×100 ×100)/(80 ×  75) = Rs.45,000
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"...
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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