Question : The market equilibrium for a commodity is determined by:

Option 1: the market supply of the commodity.

Option 2: the balancing of the force of demand and supply for the commodity.

Option 3: the intervention of the government.

Option 4: market demand of the commodity.

Question : The salary of Ramesh first increases by 35%, then decreases by 40%, then again increases by 25%. Find the overall increase or decrease percentage.

Option 1: Increase by 1.25%

Option 2: Decrease by 2.25%

Option 3: Decrease by 1.25%

Option 4: Increase by 2.25%

Question : A man spends 75% of his income. If his income increases by 28% and his expenditure increases by 20%, then what is the increase or decrease percentage in his savings?

Option 1: 52% decrease

Option 2: 52% increase

Option 3: 13% decrease

Option 4: 13% increase

Question : The price of a car is first increased by 35% and after that, the price is decreased by 25% due to a reduction in sales. What is the net percentage change in the final price of the car?

Option 1: Decreases by $2 \frac{1}{5}$%

Option 2: Increases by $2 \frac{1}{3}$%

Option 3: Decreases by $1 \frac{3}{5}$%

Option 4: Increases by $1 \frac{1}{4}$%

Question : Electrical conductance through metals is called electronic conductance and it ______.

Option 1: does not depend on the temperature

Option 2: decreases with an increase in temperature

Option 3: increases with an increase in temperature

Option 4: decreases with a decrease in temperature