Simplification percentage highest common factor HCF lowest common multiple LCM. - One Line Questions

1. Simplify: 3/4 + 1/2 — 5/4
2. What is 12.5% as a fraction? — 1/8
3. If a number is increased by 10% and then decreased by 10%, what is the net percentage change? — 1% decrease
4. Simplify the expression: 7 + 3 * (10 - 2) / 4 — 13
5. What is 150% of 80? — 120
6. Simplify the expression: 10 + (6 * 3) - 4 / 2 — 26
7. Simplify: (60 - 12) / 4 + 8 — 17
8. Calculate the LCM of 3, 5, and 7. — 105
9. Simplify: 1/2 of (40 - 10) + 5 — 25
10. What is the LCM of 5, 10, and 15? — 30
11. Find the HCF of 75 and 100. — 25
12. A number is 25% more than another number. By what percentage is the second number less than the first? — 20%
13. What is the LCM of 8 and 12? — 24
14. A number is decreased by 20%. If the new number is 160, what was the original number? — 200
15. Find the highest common factor (HCF) of 12 and 18. — 6
16. What is the lowest common multiple (LCM) of 4 and 6? — 12
17. Simplify: (5^2 - 3^2) / (5 - 3) — 16
18. Find the HCF of 18, 24, and 30. — 6
19. A person buys an article for Rs. 800 and sells it for Rs. 1000. What is the percentage profit? — 25%
20. If 40% of a number is 120, what is the number? — 300
21. What is the value of 25% of 200? — 50
22. If a vendor buys apples for Rs. 30 per dozen and sells them for Rs. 40 per dozen, what is the profit percentage? — 33.33%
23. What is the LCM of 14 and 21? — 42
24. Find the HCF of 27, 63, and 81. — 9
25. Simplify: 2/3 * 9/4 — 3/2
26. What is 0.75 as a fraction in its simplest form? — 3/4
27. Simplify the expression: (15 + 5) * 2 - 10 / 5 — 38
28. Calculate the LCM of 15 and 20. — 60
29. What is 3/5 as a percentage? — 60%
30. What is the LCM of 16 and 24? — 48
31. Calculate the LCM of 12, 18, and 24. — 72
32. Find the HCF of 56 and 72. — 8
33. What is the LCM of 6, 8, and 10? — 120
34. Calculate the LCM of 20 and 30. — 60
35. Calculate the LCM of 9 and 15. — 45
36. Find the HCF of 105 and 135. — 15
37. Find the HCF of 130 and 180. — 10
38. Simplify: 100 / (10 * 2) + 5 — 15
39. Find the HCF of 24, 36, and 48. — 12
40. A number is multiplied by 5 and then 10 is subtracted. The result is 40. What is the number? — 8
41. Find the HCF of 42 and 56. — 14
42. Find the HCF of 91 and 143. — 13
43. If a student scores 75 marks out of 100, what is their percentage score? — 75%
44. Simplify: 50% of 100 + 25% of 200 — 150
45. What is 7/8 as a percentage, rounded to two decimal places? — 87.50%
46. Find the HCF of 90 and 144. — 18
47. A salesman's salary is increased by 15%. If his new salary is Rs. 23000, what was his original salary? — Rs. 20000
48. A shopkeeper sells an item for Rs. 500, making a profit of 25%. What was the cost price of the item? — Rs. 400
49. If the price of a shirt is reduced by 20% and the original price was Rs. 1000, what is the sale price? — Rs. 800
50. A product's price is increased by 10% and then decreased by 10%. If the final price is Rs. 990, what was the original price? — Rs. 1000
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