Data Interpretation, Percentage, Profit & Loss - Question Bank

1. A shopkeeper sells a product for Rs. 1500, making a profit of 25%. What is the cost price?
A) Rs. 1000
B) Rs. 1100
C) Rs. 1200
D) Rs. 1300
2. If a number is decreased by 20% and then decreased by 10%, what is the net percentage decrease?
A) 30%
B) 28%
C) 32%
D) 25%
3. A shopkeeper marks the price of an article at 50% above the cost price. To sell the article, he offers a discount of 20%. What is his profit percentage?
A) 10%
B) 20%
C) 30%
D) 40%
4. In a data interpretation question involving a table of company revenues, if Company X's revenue in 2021 was Rs. 50 Crores and in 2022 was Rs. 60 Crores, what is the percentage increase in revenue for Company X from 2021 to 2022?
A) 10%
B) 15%
C) 20%
D) 25%
5. If a number is increased by 10% and then increased by 20%, what is the net percentage increase?
A) 30%
B) 32%
C) 28%
D) 34%
6. A shopkeeper buys an item for Rs. 600 and sells it at a profit of 30%. What is the selling price?
A) Rs. 720
B) Rs. 750
C) Rs. 780
D) Rs. 800
7. If the cost price of 5 articles is equal to the selling price of 4 articles, what is the profit percentage?
A) 20%
B) 25%
C) 30%
D) 15%
8. A shopkeeper sells two tables for Rs. 15,000 each. On one, he gains 25%, and on the other, he loses 20%. What is his overall profit or loss percentage?
A) 2.5% profit
B) 2.5% loss
C) 5% profit
D) 5% loss
9. If the price of a product is increased by 20% and then decreased by 20%, what is the net percentage change?
A) 4% increase
B) 4% decrease
C) No change
D) 20% decrease
10. In a bar graph showing the number of cars sold by three dealers (P, Q, R) in four different months (Jan, Feb, Mar, Apr), if dealer P sold 100 cars in Jan and 120 cars in Feb, what is the percentage increase in sales for dealer P from Jan to Feb?
A) 10%
B) 15%
C) 20%
D) 25%
11. A dealer marks an item at 50% above its cost price and then offers a discount of 20%. What is his profit percentage?
A) 10%
B) 20%
C) 30%
D) 40%
12. If a number is decreased by 25% and then increased by 20%, what is the net percentage change?
A) 5% decrease
B) No change
C) 5% increase
D) 10% decrease
13. A shopkeeper sells a product for Rs. 900 at a profit of 25%. What is the cost price?
A) Rs. 700
B) Rs. 720
C) Rs. 750
D) Rs. 800
14. In a pie chart showing the distribution of marks in five subjects (A, B, C, D, E) for a student who scored a total of 600 marks, if subject A accounts for 90 degrees, how many marks did the student score in subject A?
A) 100
B) 120
C) 150
D) 90
15. If a number is increased by 20% and then decreased by 10%, what is the net percentage change?
A) 8% increase
B) 8% decrease
C) 10% increase
D) No change
16. A shopkeeper buys a book for Rs. 500 and marks it up by 40%. He then sells it at a discount of 10%. What is his profit percentage?
A) 26%
B) 30%
C) 36%
D) 24%
17. If the cost price of 12 articles is equal to the selling price of 10 articles, what is the profit percentage?
A) 15%
B) 20%
C) 25%
D) 30%
18. A shopkeeper sells two items for Rs. 2400 each. On one, he gains 20%, and on the other, he loses 20%. What is his overall profit or loss percentage?
A) 4% loss
B) 4% profit
C) No profit, no loss
D) 20% loss
19. In a line graph showing the import and export of a country over several years, if the average import value over 5 years was $10 Billion and the average export value over the same period was $8 Billion, what is the overall average trade deficit per year?
A) $1 Billion
B) $1.5 Billion
C) $2 Billion
D) $2.5 Billion
20. A dealer buys a product for Rs. 1200 and sells it at a profit of 25%. What is the selling price?
A) Rs. 1400
B) Rs. 1500
C) Rs. 1600
D) Rs. 1300
21. If a number is first increased by 15% and then decreased by 15%, what is the net percentage change?
A) 2.25% increase
B) 2.25% decrease
C) No change
D) 15% decrease
22. A shopkeeper marks up the price of an item by 60% and then offers a discount of 25%. What is his net profit percentage?
A) 10%
B) 20%
C) 30%
D) 15%
23. In a bar graph showing the production of sugar by three factories (X, Y, Z) over two years (2022, 2023), if factory X produced 50,000 tonnes in 2022 and 60,000 tonnes in 2023, what is the percentage increase in production for factory X from 2022 to 2023?
A) 10%
B) 15%
C) 20%
D) 25%
24. If a number is increased by 50% and then decreased by 50%, what is the net percentage change?
A) 25% increase
B) 25% decrease
C) No change
D) 50% decrease
25. A shopkeeper buys a refrigerator for Rs. 20,000 and sells it at a loss of 15%. What is the selling price?
A) Rs. 16,000
B) Rs. 17,000
C) Rs. 18,000
D) Rs. 19,000
26. The cost price of 15 items is equal to the selling price of 12 items. What is the profit percentage?
A) 20%
B) 25%
C) 30%
D) 15%
27. If a number is increased by 20% and then decreased by 20%, what is the net percentage change?
A) 4% increase
B) 4% decrease
C) No change
D) 20% decrease
28. A trader sells two machines for Rs. 50,000 each. On the first, he gains 25%, and on the second, he loses 20%. What is his overall profit or loss percentage?
A) 2.5% profit
B) 2.5% loss
C) 5% profit
D) 5% loss
29. In a data table showing the performance of students in three subjects (Maths, Science, English) for two different classes (Class A, Class B), if the average score of Class A in Maths is 80 and the average score of Class B in Maths is 90, what is the ratio of Class A's average score to Class B's average score in Maths?
A) 8:9
B) 9:10
C) 7:8
D) 4:5
30. A shopkeeper marks the price of an article such that he gets a profit of 40% after allowing a discount of 20%. What is the marked price as a percentage of the cost price?
A) 100%
B) 125%
C) 150%
D) 175%
31. If a number is decreased by 10% and then increased by 10%, what is the net percentage change?
A) 1% increase
B) 1% decrease
C) No change
D) 10% decrease
32. A shopkeeper buys 20 pens for Rs. 500 and sells them at a profit of 10%. What is the selling price of one pen?
A) Rs. 27.50
B) Rs. 25.00
C) Rs. 30.00
D) Rs. 22.50
33. In a line graph showing the monthly rainfall in a city over a year, if the average rainfall in the first six months was 100 cm and the average rainfall in the next six months was 150 cm, what is the overall average monthly rainfall for the year?
A) 110 cm
B) 125 cm
C) 130 cm
D) 140 cm
34. If the price of an article is reduced by 20% and then the reduced price is increased by 25%, what is the net percentage change?
A) 5% increase
B) No change
C) 5% decrease
D) 10% increase
35. A shopkeeper sells a watch for Rs. 1200 and makes a profit of 20%. What is the cost price of the watch?
A) Rs. 900
B) Rs. 960
C) Rs. 1000
D) Rs. 1050
36. If the population of a town increases by 5% in the first year and decreases by 5% in the second year, what is the net percentage change in population?
A) 0.25% increase
B) 0.25% decrease
C) No change
D) 5% decrease
37. A dealer marks an item at 40% above its cost price and then offers a discount of 20%. What is his profit percentage?
A) 10%
B) 12%
C) 15%
D) 8%
38. In a bar graph showing the number of students in five different sections (P, Q, R, S, T) of a class, if section P has 40 students and section Q has 50 students, what percentage is section P of section Q?
A) 70%
B) 80%
C) 90%
D) 75%
39. A shopkeeper buys 11 articles for Rs. 100 and sells 10 articles for Rs. 110. What is his profit percentage?
A) 10%
B) 20%
C) 21%
D) 15%
40. If a number is first increased by 10% and then decreased by 10%, what is the net percentage change?
A) 1% increase
B) 1% decrease
C) No change
D) 10% increase
41. A shopkeeper allows a discount of 10% on the marked price of an item. If he still makes a profit of 20%, by what percentage is the marked price above the cost price?
A) 30%
B) 33.33%
C) 35%
D) 40%
42. In a pie chart representing the expenditure of a family, the sector for 'Rent' covers 45 degrees. If the total monthly income is Rs. 36,000, how much is spent on rent?
A) Rs. 4,000
B) Rs. 4,500
C) Rs. 5,000
D) Rs. 3,600
43. If the cost price of 10 articles is equal to the selling price of 8 articles, what is the profit percentage?
A) 20%
B) 25%
C) 30%
D) 15%
44. A shopkeeper buys a product for Rs. 800 and sells it for Rs. 1000. What is his profit percentage?
A) 20%
B) 25%
C) 30%
D) 40%
45. The price of a commodity is increased by 30% and then decreased by 30%. What is the net percentage change?
A) 9% increase
B) 9% decrease
C) No change
D) 30% decrease
46. If a number is increased by 25% and then decreased by 20%, what is the net change in the number?
A) 10% increase
B) 5% increase
C) No change
D) 5% decrease
47. A trader sells two items for Rs. 10,000 each. On one, he gains 20%, and on the other, he loses 20%. What is his overall profit or loss percentage?
A) 4% loss
B) 4% profit
C) No profit, no loss
D) 20% loss
48. In a data interpretation chart showing sales of five different companies (A, B, C, D, E) in a particular year, if the total sales of companies A and B is Rs. 150 Crores and the total sales of companies C and D is Rs. 200 Crores, and the sales of company E is Rs. 100 Crores, what percentage of the total sales is contributed by company E?
A) 20%
B) 25%
C) 30%
D) 33.3%
49. A sum of money increases by 10% in the first year, 20% in the second year, and 30% in the third year. What is the overall percentage increase in the sum over three years?
A) 50%
B) 60%
C) 70%
D) 79.6%
50. If a shopkeeper marks up the price of an item by 50% and then offers a discount of 20%, what is his net profit percentage?
A) 10%
B) 20%
C) 30%
D) 40%
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