If the price decreases by 20% and consumption increases by 25%, what is the effect on expenditure? A. No change B. 5% increase C. 5% decrease D. 10% increase Explanation: 0.8 × 1.25 = 1 → no change.
A person reduces consumption by 10% when the price increases by 20%. What is the effect on expenditure? A. 8% increase B. 8% decrease C. No change D. 10% increase Explanation: 1.2 × 0.9 = 1.08 → 8% increase.
If a number is increased by 10% and then by 20%, what is the total increase? A. 30% B. 32% C. 28% D. 35% Explanation: 1.1 × 1.2 = 1.32 → 32% increase.
A number is increased by 20% and then decreased by 20%. What is the net change? A. 4% increase B. 4% decrease C. No change D. 2% decrease Explanation: Net effect = −4%.
A man spends 80% of his income. If his income increases by 20% and expenditure by 10%, what is the increase in savings? A. 60% B. 50% C. 70% D. 80% Explanation: Savings increase by 50%.
If the cost price is increased by 20% and selling price remains same, profit percent decreases by ____. A. 20% B. 25% C. 16⅔% D. 10% Explanation: An increase in CP reduces the profit percentage by 16⅔%.
A man reduces the price of an article by 20% and then increases it by 25%. What is the net effect? A. 5% increase B. 5% decrease C. No change D. 10% increase Explanation: 0.8 × 1.25 = 1, so no change.
If the price of sugar increases by 25%, by what percent must consumption decrease to keep expenditure constant? A. 20% B. 25% C. 30% D. 15% Explanation: Required decrease = 25 / 125 × 100 = 20%.
Naeem sells a computer for Rs. 25000 at 20% loss. Find the cost price. A. Rs. 31000 B. Rs. 41250 C. Rs. 31250 D. None Explanation: CP = 25000 / 0.8 = 31250.
Salary reduced by 10% and then increased by 10%. Net change is ____. A. No change B. 10% increase C. 1% decrease D. 5% decrease Explanation: Net effect = −1%.