2. How many sides does a square have?

3. Suite : 1, 3, 6, 10, 15, 21, ... ?

4. What number is missing: 4, 9, 19, 39, ...?

5. Which is bigger: 50 or 45?

6. What is the probability of rolling two dice?

7. How many faces does a triangular prism have?

8. Suite : 1, 2, 4, 7, 11, 16, 22, ... ?

9. Logical sequence: 81, 64, 49, 36, ...?

10. What is the exact result of (10 * 2) + (30 / 2)?

11. If 5 machines produce 5 objects in 5 minutes. How long does 100 machines take for 100 objects?

12. If we unfold a perfect cube, how many faces do we get flat?

13. Complete: Monday, Tuesday, Wednesday, ...?

14. A book costs €18 after 10% reduction. Initial price?

15. How much is 7 × 2?

16. If 5 machines make 5 parts in 5 min, 100 machines make 100 parts in ?

17. Sequence: 2, 4, 6, 8, ... ?

18. If a² + b² = c², and a = 3, b = 4, then c = ?

19. If 5 + 7 = 12, then 7 + 9 = ?

20. How much is 10 - 5?

21. Repeat these numbers backwards mentally: 8 - 3 - 5 - 1.

22. What is the average of 10, 20 and 30?

23. Which is NOT a metal among these elements: Gold, Silver, Copper, Glass?

24. Suite : 2, 4, 8, 16, ... ?

25. Which letter completes the series: A, C, E, G, ...?

26. Suite : 2, 6, 12, 20, 30, ... ?

27. Which of these words is a synonym for the word "Ephemeral"?

28. A watch advances 5 minutes per hour. After 2 hours, how much progress has she made?

29. If (x+1)² = 9, then x = ?

30. What number has zero of its factors that is not a prime number?

31. How many small cubes of 1cm side can be put in a large cube of 3cm?

32. If 4 painters paint 4 houses in 4 days, 8 painters paint?

33. A clock shows 3:15. The angle between the hands is ?

34. A number multiplied by 3 then increased by 5 gives 20. The number is ?

35. What shape is the base of a classic pyramid?

36. If 2x + 5 = 15, then x = ?

37. What number is missing: 5, 7, 11, 19, 35, ...?

38. Which of these words is the odd one out: Apple, Banana, Carrot, Strawberry?

39. If a train travels 300km in 2 hours, its average speed is?

40. Suite : 3, 6, 9, 12, ... ?

41. If f(x) = 2x² - 3, then f(3) = ?

42. Find the complex sequence: 7, 15, 31, 63, ...?

43. Suite : 2, 3, 5, 8, 12, ... ?

44. A 4×4×4 cube contains how many small 1×1×1 cubes?

45. How much is 20 - 8?