Math Competition Practice - 50 MCQ Questions

1. What is 15 + 27?
a) 42
b) 41
c) 43
d) 40

2. If x + 5 = 12, what is x?
a) 17
b) 7
c) 6
d) 8

3. How many ways can you arrange 3 books on a shelf?
a) 3
b) 6
c) 9
d) 12

4. What is the area of a rectangle with length 8 and width 5?
a) 13 b) 26 c) 40 d) 35

5. Which number is prime?
a) 15 b) 21 c) 17 d) 9

6. If 2x > 10, what is the smallest integer value of x?
a) 5 b) 6 c) 4 d) 7

7. What is the next number in the sequence: 2, 5, 8, 11, ___?
a) 13 b) 14 c) 15 d) 16

8. What is sin(30°)?
a) 1/2 b) √3/2 c) 1 d) √2/2

9. How many edges does a cube have?
a) 6 b) 8 c) 12 d) 10

10. What is 144 ÷ 12?
a) 11 b) 12 c) 13 d) 14

11. If f(x) = 2x + 3, what is f(4)?
a) 11 b) 10 c) 9 d) 12

12. What is the probability of rolling a 6 on a fair die?
a) 1/3 b) 1/6 c) 1/4 d) 1/2

13. What is the sum of angles in a triangle?
a) 90° b) 180° c) 270° d) 360°

14. What is 23 × 4?
a) 92 b) 94 c) 90 d) 96

15. Which is divisible by 3?
a) 25 b) 34 c) 27 d) 38

16. What is the perimeter of a square with side 7?
a) 14 b) 21 c) 28 d) 49

17. How many vertices does a triangle have?
a) 2 b) 3 c) 4 d) 5

18. What is 5²?
a) 10 b) 15 c) 20 d) 25

19. If y - 8 = 15, what is y?
a) 7 b) 23 c) 22 d) 24

20. What is the remainder when 17 is divided by 5?
a) 2 b) 3 c) 1 d) 4

21. How many diagonals does a pentagon have?
a) 3 b) 4 c) 5 d) 6

22. What is the mean of 4, 6, 8, 10?
a) 6 b) 7 c) 8 d) 9

23. What is 3x = 21, solve for x?
a) 6 b) 7 c) 8 d) 9

24. What is the area of a circle with radius 3? (use π = 3.14)
a) 28.26 b) 18.84 c) 9.42 d) 37.68

25. Which number is even?
a) 17 b) 23 c) 31 d) 26

26. What is 100 - 37?
a) 63 b) 73 c) 67 d) 53

27. How many faces does a pyramid with square base have?
a) 4 b) 5 c) 6 d) 8

28. What is the next term: 1, 4, 9, 16, ___?
a) 20 b) 25 c) 24 d) 36

29. If 3x + 2 < 14, what is the largest integer value of x?
a) 3 b) 4 c) 5 d) 2

30. What is cos(60°)?
a) 1/2 b) √3/2 c) 1 d) 0

31. How many ways can you choose 2 items from 4 items?
a) 4 b) 6 c) 8 d) 12

32. What is the volume of a cube with side 4?
a) 16 b) 48 c) 64 d) 32

33. What is 7 × 8?
a) 54 b) 56 c) 58 d) 64

34. Which is the largest prime less than 20?
a) 17 b) 19 c) 16 d) 18

35. What is the sum of first 5 positive integers?
a) 10 b) 15 c) 20 d) 25

36. If a triangle has sides 3, 4, 5, what type is it?
a) Acute b) Right c) Obtuse d) Equilateral

37. What is 81 ÷ 9?
a) 8 b) 9 c) 10 d) 7

38. How many sides does a hexagon have?
a) 5 b) 6 c) 7 d) 8

39. What is f(x) = x² when x = 5?
a) 10 b) 15 c) 20 d) 25

40. What is the probability of getting heads in a coin flip?
a) 1/4 b) 1/3 c) 1/2 d) 2/3

41. What is 45 + 38?
a) 83 b) 82 c) 84 d) 81

42. If 2x - 3 = 7, what is x?
a) 4 b) 5 c) 6 d) 7

43. What is the circumference of a circle with radius 2? (use π = 3.14)
a) 6.28 b) 12.56 c) 18.84 d) 25.12

44. How many digits are in 1000?
a) 3 b) 4 c) 5 d) 2

45. What is the median of 2, 5, 7, 9, 11?
a) 5 b) 7 c) 9 d) 6

46. What is 12²?
a) 144 b) 124 c) 164 d) 134

47. How many vertices does a rectangular prism have?
a) 6 b) 8 c) 10 d) 12

48. What is the GCD of 12 and 18?
a) 3 b) 6 c) 9 d) 12

49. If x > 3 and x < 8, which could be x?
a) 2 b) 5 c) 9 d) 1

50. What is tan(45°)?
a) 0 b) 1/2 c) 1 d) √3