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

3. If 3 workers build a wall in 6 days, 1 worker takes?

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

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

6. If (x+1)² = 9, then x = ?

7. Logical sequence: 1, 4, 9, 16, ...?

8. What is the probability of rolling two dice?

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

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

11. How many faces does a triangular prism have?

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

13. A 3×3 square has the area?

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

15. How much is 7 × 2?

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

17. How many right angles are there in total on the faces of a cube?

18. Which number completes: 7, 14, 10, 20, 16, 32, ...?

19. In a regular 5-pointed star, how many distinct triangles can be drawn?

20. If f(x) = 2x² - 3, then f(3) = ?

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

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

23. How many minutes are there in 2 full hours?

24. If 3x = 12, then x = ?

25. What complete picture ★, ●, ★, ●, ...?

26. How much is 15 + 12?

27. A square has a perimeter of 20cm. One side measure?

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

29. How many minutes in 1 hour?

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

31. Logical sequence: 1, 4, 10, 20, 35, ...?

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

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

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

35. Day or night, when is it darker?

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

37. Find the intruder among these countries: France, Germany, Spain, Japan.

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

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

40. The opposite of hot is...?

41. Complex logical sequence: 1, 1, 2, 3, 5, 8, ...

42. What is the odd one out: Apple, Orange, Lemon, Car?

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

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

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