**Q1. If the duty on an article is reduced by 40% of its present rate by how much percent must its consumption increase in order that the revenue remains unaltered?**

(a) 60%

(b) 62(1/2)%

(c) 72%

(d) 66(2/3)%

**Q2. If a number is increased by 20% and the resulting number is again increased by 20%, what percent is the total increase:**

(a) 48%

(b) 44%

(c) 41%

(d) 40%

**Q3. A man spends 40% of his monthly salary on food and one-third of the remaining on transport. If he saves Rs. 4,500 per month which is equal to half the balance after spending on food the transport, his monthly salary is:**

(a) Rs. 11,250

(b) Rs. 22,500

(c) Rs. 25,000

(d) Rs. 45,000

**Q4. In an election, there were only two candidates. One of the candidates secured 40% of votes and is defeated by the other candidate by 298 votes. The total number of votes polled is:**

(a) 745

(b) 1460

(c) 1490

(d) 1500

**Q5. The value of a machine depreciates every year at the rate of 10% on its value at the beginning of that year. If the current value of the machine is Rs. 729, its worth 3 years ago was:**

(a) Rs. 1000

(b) Rs. 750.87

(c) Rs. 947.10

(d) Rs. 800

**Q6. The value of a machine is Rs. 6,250. It decreases by 10% during the first year, 20% during the second year and 30% during the third year. What will be the value of the machine after 3 years?**

(a) Rs. 2,650

(b) Rs. 3,050

(c) Rs. 3,150

(d) Rs. 3,510

**Q7. In an alloy, there is 12% of copper, to get 69 kg of copper, how much alloy will be required?**

(a) 424 kg

(b) 575 kg

(c) 828 kg

(d) 17362/3kg

**Q8. The expenses on rice, fish and oil of a family are in the ratio 12 : 17 : 3. The price of these articles are increased by 20%, 30% and 50% respectively. The total expenses of family on these articles are increased by:**

(a) 14(1/8)%

(b) 7(1/8)%

(c) 28(1/8)%

(d) None of these

**Q9. A reduction in the price of apples enables a person to purchase 3 apples for Rs. 1 instead of Rs. 1.25. What is the % of reduction in price?**

(a) 20%

(b) 25%

(c) 30%

(d) 331/3%

**Q10. A and B are two fixed points 5 cm apart and C is a point on AB such that AC is 3 cm. If the length of AC is increased by 6%, the length of CB is decreased by:**

(a) 6%

(b) 7%

(c) 8%

(d) 9%

**Q11. The sum of two numbers is 520. If the bigger number is decreased by 4% and the smaller number is increased by 12% then the numbers obtained are equal. The smaller number is**

(a) 280

(b) 240

(c) 210

(d) 300

**Q12. If selling price of an article is 8/5 times its cost price, the profit percent on it is:**

(a) 120%

(b) 160%

(c) 40%

(d) 60%

**Q13. The cost price of 8 articles is equal to the selling price of 9 articles. The profit or loss percent in the transaction is**

(a) 12(1/2)% loss

(b) 12(1/2)% profit

(c) None of these

(d) 11(1/9)% loss

**Q14. Two bicycles were sold for Rs. 3990 each gaining 5% on the and losing 5% on other. The gain or loss percent on the whole transaction is:**

(a) neither gain nor loss

(b) 2.5% gain

(c) 2.5% loss

(d) 0.25% loss

**Q15. A man sold two watches for Rs. 240 each. On one he gains 20% and incurs a loss of 20% on another. What is his gain or loss percent in this transaction?**

(a) 1% profit

(b) 2% loss

(c) 4% profit

(d) 4% loss