Question : Equilibrium price is the price when :

Option 1: Supply is greater than demand .

Option 2: Supply is less than demand .

Option 3: Demand  is very high .

Option 4: Supply is equal to demand.

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 : A ball possesses 3000 units of momentum. What would be the ball's new momentum if its velocity was doubled?

Option 1: 3000 units

Option 2: 6000 units

Option 3: 20000 units

Option 4: 9000 units

Question : Find the length of the arc if the angle at the centre of the circle of radius 7 units is 60°.

Option 1: $4$ units

Option 2: $\frac{11}{4}$ units

Option 3: $\frac{22}{3}$ units

Option 4: $21$ units

Question : The curve gives the maximum amount of corn produced in the economy for any given amount of cotton and vice-versa. This curve is called the _____.

Option 1: Total revenue curve

Option 2: Indifference curve

Option 3: Production Possibility Frontier

Option 4: Demand curve