Question : The price of an article is cut by 31%, to restore its original value, the new price must be increased by:

Option 1: 66%

Option 2: 44.93%

Option 3: 39.76%

Option 4: 82.5%

Question : The internal rate of return:

Option 1: must be less than the investment rate if the firm is to invest.

Option 2: make the present value of profit equal to the present value of costs.

Option 3: falls as the annual yield of an investment rises.

Option 4: is equal to the market interest rate for all the firm's investments.

Question : A supply function expresses the relationship between

Option 1: price and output

Option 2: price and seller cost

Option 3: price and demand

Option 4: price and consumption

Question : Which of the following occurs when labour productivity rises?

Option 1: The equilibrium nominal wage falls.

Option 2: The equilibrium quantity of labour falls.

Option 3: Competitive firms will be induced to use more capital.

Option 4: The labour demand curve shifts to the right.

Question : On selling 14 notebooks a seller makes a profit equal to the selling price of 9 notebooks. Find his percentage of profit. (The selling price of all notebooks is the same. The cost price of all notebooks is the same.)

Option 1: 210%

Option 2: 180%

Option 3: 140%

Option 4: 130%