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1. Which number comes next in the sequence: 2 , 6 , 12 , 20 , 30

2. What comes next : 4 , 9 , 19 , 39 , 79

3. What is the result of the operation 6 x 13 + 40 - 24

4. A book costs $25 and there is an 8% tax. How much do you have to pay

5. What is the value of X : X = 145 / 2 - 7

6. What is three quarters of 80

7. Solve for x in the following equation: 4x - 20 = 92

8. What is the next number in the sequence: 3, 9, 27, 81

9. What is the result of the operation 9 x 12 - 4 x 11

10. In a triangle, the length of the hypotenuse is 10 cm and one of the legs is 6 cm. What is the length of the other leg c² = a² + b²

11. A circle has a diameter of 14 cm. What is the area of the circle Area = 3.1416 × (diameter/2)²

12. A rectangular prism has a length of 8 cm, a width of 11 cm, and a height of 3 cm. What is the volume of the prism

13. A jacket costs $40 after a 20% discount . What was the original price

14. If 3 workers paint 3 walls in 3 hours , how long will it take 6 workers to paint 6 walls

15. The average of 5 numbers is 20. The average of 3 of them is fifteen . What is the average of the other 2

16. A 240L tank already has 120L in it. You add 30L per hour but it leaks 10L per hour . How many hours to fill it

17. Complete the sequence : 3 , 7 , 16 , 35 , 74

18. A car travels from city A to city B at 60 mph and returns from city B to city A at 40 mph . What is the average speed for the entire round trip

19. What is the value of x in the equation: x/2 + x/3 = 25

20. A group of friends want to share some money equally. If they have $1200 and there are 5 friends, but 2 friends decide to leave, how much money will each of the remaining friends get

21. What is the result of the equation: 60 × 5 + 72/8

22. If the radius of a circle is doubled, how many times larger does its area become

23. What comes next : 2, 6, 12, 20, 30, 42, 56,

24. A cube has a side length of 6 cm. What is its volume

25. What is the value of x in the equation 11x - 19 = 7x + 33

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Top 25 Countries by Average IQ : Intelligence Rankings Around the World

Explore the Top 25 countries by average IQ and discover how intelligence scores are compared around the world. This article presents international IQ rankings, cognitive performance data, and interesting differences between countries. IQ scores are statistical estimates and should not be used to judge the intelligence or potential of any individual

  1. Japan — 106.48
  2. Taiwan — 106.47
  3. Singapore — 105.89
  4. Hong Kong — 105.37
  5. China — 104.10
  6. South Korea — 102.35
  7. Belarus — 101.60
  8. Finland — 101.20
  9. Liechtenstein — 101.07
  10. Germany — 100.74
  11. Netherlands — 100.74
  12. Estonia — 100.72
  13. Luxembourg — 100.38
  14. Cambodia — 99.75
  15. Canada — 99.52
  16. Australia — 99.24
  17. Hungary — 99.24
  18. Switzerland — 99.24
  19. United Kingdom — 99.12
  20. Slovenia — 98.60
  21. New Zealand — 98.57
  22. Norway — 98.38
  23. Belgium — 98.38
  24. France — 98.38
  25. Denmark — 97.83