Profit and Loss, Ratio and Proportion, Average - One Line Questions

1. A dishonest shopkeeper professes to sell his goods at cost price, but he uses a weight of 900 grams for 1 kilogram. What is his gain percentage? — 11.11%
2. The ratio of the cost price to the selling price of a product is 10:11. The percentage of profit is: — 10%
3. A shopkeeper marks his goods 50% above the cost price and then offers a discount of 20%. His profit percentage is: — 20%
4. A man buys 12 articles for Rs. 10 each and sells 8 of them for Rs. 12 each and the remaining 4 for Rs. 8 each. Find his overall profit or loss percentage. — 10% profit
5. The ratio of two numbers is 4:9. Their sum is 260. The difference between the numbers is: — 130
6. The sum of two numbers is 40 and their difference is 4. What is the ratio of the two numbers? — 11:9
7. The average of 3 numbers is 10. The average of the first two numbers is 8. The third number is: — 16
8. The ratio of two numbers is 2:5. If the difference between the numbers is 21, the numbers are: — 14 and 35
9. The ratio of apples and oranges in a basket is 3:4. If there are 35 fruits in total, the number of oranges is: — 20
10. The ratio of the cost price and selling price of an article is 5:6. The profit percentage is: — 20%
11. A shopkeeper sells an article for Rs. 150 and makes a profit of 25%. He then sells another article for Rs. 200 and makes a loss of 10%. What is the ratio of the cost prices of the two articles? — 3:2
12. The average of 5 numbers is 18. The average of the first 3 numbers is 16 and the average of the last 3 numbers is 20. What is the third number? — 24
13. Two numbers are in the ratio 2:3. If the sum of the numbers is 75, then the numbers are: — 30 and 45
14. The ratio of the ages of A and B is 4:5. After 5 years, their ages will be in the ratio 5:6. What is the present age of A? — 20 years
15. A merchant buys a commodity for Rs. 400, spends Rs. 100 on its transportation, and sells it for Rs. 600. What is his profit percentage? — 25%
16. The average of 10 numbers is 25. If the number 30 is replaced by 50, the new average will be: — 27
17. Two numbers are in the ratio 3:5. If 9 is added to both the numbers, their ratio becomes 6:10. What are the numbers? — 18 and 30
18. The average of 6 numbers is 20. If one number is removed, the average becomes 18. The removed number is: — 32
19. The average of 5 positive integers is 30. The smallest integer is 20. What is the average of the remaining 4 integers? — 32.5
20. If the cost price of 10 pens is equal to the selling price of 7 pens, find the profit percentage. — 42.86%
21. The average of 5 numbers is 28. If one number is removed, the average of the remaining four numbers is 26. The removed number is: — 38
22. The average of 5 numbers is 27. If one number is excluded, the average becomes 25. What is the excluded number? — 37
23. A trader sells two items for Rs. 5000 each. On one, he gains 20%, and on the other, he loses 20%. What is his overall profit or loss percentage? — 4% loss
24. The ratio of ages of father and son is 5:2. If the sum of their ages is 56 years, the father's age is: — 40 years
25. The average of 7 numbers is 45. If one number is removed, the average of the remaining 6 numbers is 44. The removed number is: — 51
26. The average of 11 numbers is 30. If one number is removed, the average of the remaining 10 numbers is 28. The removed number is: — 58
27. The ratio of the number of boys and girls in a school is 7:5. If the total number of students is 1200, the number of girls is: — 500
28. The average of 5 numbers is 50. If one number is removed, the average of the remaining numbers is 48. The removed number is: — 60
29. The average of the first 5 multiples of 3 is: — 12
30. The ratio of two numbers is 3:7. If the sum of the numbers is 150, the difference between the numbers is: — 60
31. The ratio of two quantities is 15:17. If the sum of these quantities is 1600, the smaller quantity is: — 750
32. The average weight of 8 men is increased by 2.5 kg when one of the men, who weighs 56 kg, is replaced by a new man. The weight of the new man is: — 74 kg
33. The ratio of two numbers is 7:11. If the larger number is 121, the smaller number is: — 99
34. The ratio of boys and girls in a class is 5:3. If there are 24 students in the class, the number of girls is: — 9
35. The average marks of 15 students is 60. If the marks of one student are included, the average increases by 2. The marks of the new student are: — 96
36. The average marks of 10 students in a class is 75. If the marks of one student are omitted, the average marks of the remaining 9 students are 72. The marks of the omitted student are: — 105
37. The ages of Ram and Shyam are in the ratio 4:5. If the sum of their ages is 72 years, their present ages are: — Ram: 32 years, Shyam: 40 years
38. A shopkeeper offers a discount of 10% on the marked price. He still makes a profit of 20%. If the marked price is Rs. 1200, find the cost price. — Rs. 960
39. A dealer buys a table for Rs. 1200 and sells it at a loss of 10%. For what price did he sell the table? — Rs. 1080
40. A merchant buys 50 kg of rice at Rs. 10 per kg. He sells 30 kg at Rs. 12 per kg and the remaining 20 kg at Rs. 11 per kg. His profit is: — Rs. 110
41. By selling a watch for Rs. 1000, a person loses 10%. For what price should he sell it to gain 10%? — Rs. 1222.22
42. A man sells his goods at a loss of 20%. If he had sold it for Rs. 100 more, he would have gained 5%. The cost price of the goods is: — Rs. 400
43. By selling an umbrella for Rs. 300, a man makes a profit of 25%. What is the cost price of the umbrella? — Rs. 240
44. The ratio of profit to loss is 3:2. If the selling price is Rs. 450, the cost price is: — Rs. 400
45. Two articles are sold for Rs. 2100 each. One is sold at a profit of 10% and the other at a loss of 10%. The overall profit or loss is: — Rs. 210 loss
46. A shopkeeper sells an article for Rs. 720 and gains 20%. What is the cost price of the article? — Rs. 600
47. A shopkeeper sells an article for Rs. 675 after allowing a discount of 10% on the marked price. If he had not allowed any discount, he would have gained 20%. The cost price of the article is: — Rs. 625
48. A shopkeeper buys a product for Rs. 800 and sells it at a loss of 15%. What is the selling price? — Rs. 680
49. An article is sold at a profit of 15%. If it were sold for Rs. 45 more, the profit would be 20%. The cost price of the article is: — Rs. 900
50. The average of 5 numbers is X. If one number is removed, the average of the remaining 4 numbers is X-1. The removed number is: — X+4
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