21. In general knowledge terms, what is 0.5 expressed as a fraction?
✅ D. 2-Jan
0.5 equals 5/10, which simplifies to 1/2. Read more
Mathematics – Page 2
22. In general knowledge terms, what is the greatest common divisor of 12 and 18?
✅ C. 6
The greatest number dividing both 12 and 18 is 6. Read more
23. In general knowledge terms, what is the sum of the angles in a triangle?
✅ C. 180°
The interior angles of a triangle sum to 180 degrees. Read more
24. In general knowledge terms, what is the average of 10, 20 and 30?
✅ A. 20
(10 + 20 + 30) ÷ 3 = 20. Read more
25. In general knowledge terms, what is 3/4 as a decimal?
✅ C. 0.75
3 divided by 4 equals 0.75. Read more
26. In general knowledge terms, what is the area of a rectangle 8 cm long and 3 cm wide?
✅ B. 24 cm²
Area = length × width = 8 × 3 = 24 cm². Read more
27. In general knowledge terms, what is the value of 2 + 3 × 4?
✅ D. 14
Multiplication is performed before addition: 2 + 12 = 14. Read more
28. In general knowledge terms, what is the square root of 81?
✅ B. 9
9 × 9 = 81. Read more
29. In general knowledge terms, what is 144 ÷ 12?
✅ B. 12
144 divided by 12 equals 12. Read more
30. Select the best answer: If a shirt costs 1000 and is discounted by 10%, what is the sale price?
✅ D. 900
A 10% discount is 100, leaving a sale price of 900. Read more
31. Select the best answer: What is the least common multiple of 4 and 6?
✅ A. 12
12 is the smallest positive number divisible by both 4 and 6. Read more
32. Select the best answer: How many sides does a hexagon have?
✅ A. 6
A hexagon has six sides. Read more
33. Select the best answer: What is the value of 5³?
✅ A. 125
5 × 5 × 5 = 125. Read more
34. Select the best answer: What is the average of 10, 20 and 30?
✅ A. 20
(10 + 20 + 30) ÷ 3 = 20. Read more
35. Select the best answer: What is 3/4 as a decimal?
✅ C. 0.75
3 divided by 4 equals 0.75. Read more
36. Select the best answer: What is the area of a rectangle 8 cm long and 3 cm wide?
✅ D. 24 cm²
Area = length × width = 8 × 3 = 24 cm². Read more
37. Select the best answer: What is the value of 2 + 3 × 4?
✅ B. 14
Multiplication is performed before addition: 2 + 12 = 14. Read more
38. Select the best answer: What is the square root of 81?
✅ B. 9
9 × 9 = 81. Read more
39. Select the best answer: What is 144 ÷ 12?
✅ B. 12
144 divided by 12 equals 12. Read more
40. Choose the correct answer. If a shirt costs 1000 and is discounted by 10%, what is the sale price?
✅ C. 900
A 10% discount is 100, leaving a sale price of 900. Read more