Online Simple Test
Terms and Conditions
- Duration: 1 hour.
- Total number of questions: 50.
- You must answer all questions.
- Do not close the browser or refresh the page during the test.
- Any form of cheating or misconduct will result in disqualification.
- Read each question carefully before selecting an answer.
1. What is 8 × 4 + 6?
A) 30
B) 38
C) 40
D) 48
Explanation: First calculate 8 × 4 = 32, then add 6 to get 38.
2. Which of the following fractions are equal to 1/2?
A) 1/3
B) 2/4
C) 3/6
D) 2/5
Explanation: 2/4 and 3/6 simplify to 1/2.
3. Which of the following numbers are multiples of 6?
A) 12
B) 18
C) 15
D) 25
Explanation: 12 and 18 are multiples of 6 (6 × 2 = 12, 6 × 3 = 18).
4. What is the sum of 15 + 9 ÷ 3?
A) 18
B) 22
C) 27
D) 21
Explanation: First, calculate 9 ÷ 3 = 3, then add 15 + 3 = 18.
5. How many sides do a pentagon and a triangle have in total?
A) 5
B) 8
C) 7
D) 9
Explanation: A pentagon has 5 sides, and a triangle has 3 sides, totaling 8 sides.
6. Which of the following is a correct subtraction of 45 - 18?
A) 20
B) 27
C) 30
D) 33
Explanation: 45 - 18 equals 27.
7. Which numbers are greater than 25 and less than 35?
A) 28
B) 24
C) 36
D) 33
Explanation: 28 and 33 are greater than 25 but less than 35.
8. What is the perimeter of a rectangle with length 5 cm and width 3 cm?
A) 14 cm
B) 16 cm
C) 15 cm
D) 18 cm
Explanation: The perimeter is calculated as 2 × (5 + 3) = 16 cm.
9. Which of these numbers is divisible by both 3 and 5?
A) 10
B) 15
C) 12
D) 20
Explanation: 15 is divisible by both 3 and 5.
10. What is 7 × 6?
A) 44
B) 36
C) 42
D) 48
Explanation: 7 × 6 equals 42.
11. Which of the following numbers is a prime number?
A) 7
B) 8
C) 9
D) 10
Explanation: 7 is a prime number, as it is only divisible by 1 and itself.
12. If 3 pencils cost $9, how much does 1 pencil cost?
A) $3
B) $2
C) $4
D) $1
Explanation: $9 ÷ 3 pencils = $3 per pencil.
13. What is 100 ÷ 4?
A) 25
B) 20
C) 30
D) 35
Explanation: 100 ÷ 4 = 25.
14. Which of these fractions is greater than 1/2?
A) 1/3
B) 3/4
C) 1/4
D) 2/5
Explanation: 3/4 is greater than 1/2.
15. Which shape has 4 equal sides?
A) Rectangle
B) Square
C) Triangle
D) Pentagon
Explanation: A square has 4 equal sides.
16. If you buy 5 apples at $2 each, how much do you pay in total?
A) $8
B) $7
C) $10
D) $12
Explanation: 5 apples × $2 = $10.
17. What is the area of a square with side length 4 cm?
A) 16 cm²
B) 12 cm²
C) 18 cm²
D) 20 cm²
Explanation: The area is calculated as 4 × 4 = 16 cm².
18. What is the difference between 80 and 45?
A) 35
B) 25
C) 40
D) 50
Explanation: 80 - 45 = 35.
19. What is the next number in the sequence: 3, 6, 9, 12, ___?
A) 16
B) 15
C) 18
D) 13
Explanation: The sequence increases by 3 each time, so the next number is 15.
20. What is 100 minus 25 plus 15?
A) 70
B) 90
C) 85
D) 80
Explanation: First subtract 100 - 25 = 75, then add 15 to get 90.
21. What is the sum of the angles in a triangle?
A) 280°
B) 360°
C) 90°
D) 180°
Explanation: The sum of the angles in any triangle is always 180°.
22. What is the greatest common divisor (GCD) of 12 and 18?
A) 4
B) 6
C) 3
D) 2
Explanation: The greatest common divisor of 12 and 18 is 6.
23. If you have 20 candies and you give 4 to each of your 5 friends, how many do you have left?
A) 5
B) 0
C) 10
D) 1
Explanation: 5 friends × 4 candies = 20. You have 0 left.
24. What is 100 – 36?
A) 65
B) 63
C) 64
D) 62
Explanation: 100 - 36 equals 64.
25. Which of the following is a multiple of both 4 and 5?
A) 8
B) 20
C) 10
D) 40
Explanation: 20 is divisible by both 4 and 5.
26. What is the square of 9?
A) 181
B) 18
C) 81
D) 72
Explanation: 9 × 9 equals 81.
27. Which of these fractions is equivalent to 1/2?
A) 2/3
B) 1/3
C) 3/4
D) 4/8
Explanation: 4/8 is equivalent to itself. 4/8 is also equivalent to 1/2.
28. What is the result of multiplying 12 by 3?
A) 26
B) 36
C) 33
D) 30
Explanation: 12 × 3 equals 36.
29. Which of these numbers is both a factor of 24 and a multiple of 2?
A) 5
B) 3
C) 12
D) 7
Explanation: 12 is a factor of 24 and a multiple of 2.
30. What is the difference between 1000 and 999?
A) 1
B) 10
C) 100
D) 1000
Explanation: 1000 - 999 equals 1.
31. What is 9 multiplied by 5?
A) 40
B) 45
C) 35
D) 50
Explanation: 9 × 5 equals 45.
32. What is the area of a rectangle with a length of 6 units and a width of 4 units?
A) 24 square units
B) 20 square units
C) 30 square units
D) 28 square units
Explanation: Area of a rectangle is length × width, so 6 × 4 = 24 square units.
33. What is the least common multiple (LCM) of 4 and 6?
A) 8
B) 12
C) 18
D) 24
Explanation: The least common multiple of 4 and 6 is 12.
34. Which fraction is larger: 1/3 or 1/4?
A) 1/3
B) 1/4
C) Both are equal
D) 2/3
Explanation: 1/3 is larger than 1/4.
35. What is 25 divided by 5?
A) 10
B) 5
C) 7
D) 6
Explanation: 25 ÷ 5 equals 5.
36. What is the perimeter of a square with each side measuring 5 units?
A) 15 units
B) 30 units
C) 25 units
D) 20 units
Explanation: Perimeter of a square is 4 × side length, so 4 × 5 = 20 units.
37. Which is the smallest prime number?
A) 1
B) 2
C) 3
D) 5
Explanation: 2 is the smallest prime number.
38. How many faces does a cube have?
A) 5
B) 6
C) 8
D) 4
Explanation: A cube has 6 faces.
39. What is 10% of 200?
A) 20
B) 25
C) 15
D) 30
Explanation: 10% of 200 equals 20.
40. What is the value of 7 × 8?
A) 54
B) 56
C) 58
D) 60
Explanation: 7 × 8 equals 56.
41. What is 15 divided by 3?
A) 3
B) 5
C) 4
D) 6
Explanation: 15 ÷ 3 equals 5.
42. What is the perimeter of a rectangle with a length of 7 units and a width of 3 units?
A) 16 units
B) 20 units
C) 14 units
D) 10 units
Explanation: The perimeter of a rectangle is calculated using the formula 2 × (length + width). Therefore, 2 × (7 + 3) = 20 units.
43. Which of the following is a factor of 12?
A) 5
B) 6
C) 8
D) 10
Explanation: 6 is a factor of 12 because 12 ÷ 6 equals 2.
44. What is 8 + 9?
A) 16
B) 18
C) 17
D) 19
Explanation: 8 + 9 equals 17.
45. What is the sum of the angles of a triangle?
A) 120°
B) 160°
C) 180°
D) 200°
Explanation: The sum of the angles of a triangle is always 180°.
46. What is the greatest number of equal groups you can divide 24 apples into?
A) 8
B) 5
C) 3
D) 6
Explanation: 24 apples can be divided into 6 equal groups of 4 apples each.
47. How many minutes are there in 2 hours?
A) 20 minutes
B) 240 minutes
C) 180 minutes
D) 120 minutes
Explanation: 2 hours equals 120 minutes.
48. What is 6 × 7?
A) 45
B) 49
C) 42
D) 56
Explanation: 6 × 7 equals 42.
49. What is the value of 5 × 9?
A) 55
B) 40
C) 50
D) 45
Explanation: 5 × 9 equals 45.
50. What is 18 divided by 3?
A) 7
B) 5
C) 6
D) 4
Explanation: 18 ÷ 3 equals 6.
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Tags:
Mathematics -Grade O3