Free IQ Test

1. What is the next number in the sequence? 2, 4, 8, 16, ___?

a) 20

b) 32

c) 24

d) 40

2. Which word is the odd one out?

a) Dog

b) Cat

c) Fish

d) Car

3. What comes next in the series? 3, 9, 27, ___?

a) 81

b) 54

c) 45

d) 63

4. Which of these numbers is the largest prime number?

a) 17

b) 18

c) 19

d) 20

5. What comes next in the pattern: A, C, E, G, ___?

a) H

b) I

c) J

d) K

6. Which of the following completes the analogy? Book is to Reading as Fork is to ___?

a) Writing

b) Drawing

c) Eating

d) Cooking

7. If you rearrange the letters "CIFAIPC", you would have the name of a(n):

a) Country

b) Animal

c) City

d) Ocean

8. Which number logically replaces the question mark? 5, 10, 15, 20, ___?

a) 25

b) 30

c) 35

d) 40

9. What is the capital of Canada?

a) Vancouver

b) Toronto

c) Ottawa

d) Montreal

10. Which of these is a type of triangle?

a) Square

b) Rectangle

c) Scalene

d) Cube

11. What is the capital of Japan?

a) Tokyo

b) Seoul

c) Beijing

d) Manila

12. Which of the following is the largest planet in our solar system?

a) Earth

b) Jupiter

c) Mars

d) Saturn

13. What is the next number in the sequence? 1, 4, 9, 16, ___?

a) 18

b) 25

c) 20

d) 30

14. Which of these is not a primary color?

a) Red

b) Yellow

c) Blue

d) Green

15. What is the square root of 81?

a) 7

b) 8

c) 9

d) 10

16. Which country is the largest by land area?

a) Canada

b) Russia

c) United States

d) China

17. What is the chemical symbol for water?

a) O2

b) CO2

c) H2O

d) H2

18. Which of the following is not a type of rock?

a) Igneous

b) Sedimentary

c) Metamorphic

d) Liquid

19. What is the largest ocean on Earth?

a) Atlantic Ocean

b) Indian Ocean

c) Arctic Ocean

d) Pacific Ocean

20. What is the square root of 64?

a) 6

b) 7

c) 8

d) 9

21. What is the boiling point of water at sea level?

a) 100°C

b) 90°C

c) 110°C

d) 120°C

22. Which planet is known as the Red Planet?

a) Venus

b) Mars

c) Jupiter

d) Saturn

23. What is the chemical symbol for gold?

a) Au

b) Ag

c) Pb

d) Fe

24. Which of these is not a programming language?

a) Python

b) Java

c) HTML

d) C++

25. Which of these is the largest animal on Earth?

a) Elephant

b) Blue Whale

c) Giraffe

d) Hippopotamus

26. Which element is represented by the symbol 'O'?

a) Oxygen

b) Ozone

c) Osmium

d) Osmosis

27. Which of the following is a prime number?

a) 15

b) 17

c) 20

d) 25

28. What is the color of the sky on a clear day?

a) Blue

b) Green

c) Red

d) Yellow

29. Which of the following is not a planet?

a) Earth

b) Mars

c) Pluto

d) Sun

30. Which element is necessary for photosynthesis in plants?

a) Oxygen

b) Carbon dioxide

c) Nitrogen

d) Hydrogen

31. What is the boiling point of water in Fahrenheit?

a) 212°F

b) 100°F

c) 273°F

d) 150°F

32. What is the capital of France?

a) Paris

b) Rome

c) London

d) Madrid

33. What is the smallest prime number?

a) 1

b) 2

c) 3

d) 5

34. Which of these is the chemical symbol for iron?

a) Fe

b) Ir

c) I

d) Fr

35. What is the capital city of Australia?

a) Sydney

b) Melbourne

c) Canberra

d) Perth

36. What is the largest desert on Earth?

a) Sahara

b) Arabian

c) Gobi

d) Kalahari

37. What is the square of 12?

a) 144

b) 121

c) 100

d) 169

38. What is the speed of light?

a) 300,000 km/s

b) 150,000 km/s

c) 100,000 km/s

d) 200,000 km/s

39. Which country is known as the "Land of the Rising Sun"?

a) China

b) Japan

c) India

d) South Korea

40. What is the chemical symbol for sodium?

a) Na

b) Sb

c) Si

d) S

41. What is the square of 14?

a) 192

b) 196

c) 150

d) 210

42. Who is known as the father of modern physics?

a) Isaac Newton

b) Albert Einstein

c) Nikola Tesla

d) Thomas Edison

43. Which of the following is a mammal?

a) Shark

b) Dolphin

c) Crocodile

d) Fish

44. Which of these is the longest river in the world?

a) Amazon River

b) Nile River

c) Yangtze River

d) Mississippi River

45. What is the smallest continent by land area?

a) Africa

b) Europe

c) Australia

d) Antarctica

46. Which of the following is the hardest natural substance?

a) Gold

b) Diamond

c) Iron

d) Platinum

47. What is the capital city of Italy?

a) Florence

b) Venice

c) Milan

d) Rome

48. Which planet is known as the "Morning Star"?

a) Venus

b) Mars

c) Jupiter

d) Saturn

48. Which planet is known as the "Morning Star"?

a) Venus

b) Mars

c) Jupiter

d) Saturn

49. What is the largest country by population?

a) India

b) China

c) United States

d) Russia

50. Which animal is known as the King of the Jungle?

a) Elephant

b) Lion

c) Tiger

d) Bear

51. What is the longest river in the world?

a) Amazon River

b) Nile River

c) Yangtze River

d) Mississippi River

52. What is the capital city of Spain?

a) Madrid

b) Barcelona

c) Valencia

d) Seville

53. Which is the smallest bone in the human body?

a) Femur

b) Stapes

c) Tibia

d) Radius

54. What is the largest ocean in the world?

a) Atlantic Ocean

b) Pacific Ocean

c) Indian Ocean

d) Southern Ocean

55. Which planet is known as the Red Planet?

a) Venus

b) Mars

c) Jupiter

d) Saturn

56. Which vitamin is produced by sunlight?

a) Vitamin A

b) Vitamin B

c) Vitamin C

d) Vitamin D

57. What is the longest river in Africa?

a) Nile River

b) Congo River

c) Zambezi River

d) Limpopo River

58. Which continent has the most countries?

a) Asia

b) Europe

c) Africa

d) North America

59. What is the largest land animal?

a) Elephant

b) Giraffe

c) Rhino

d) Hippopotamus

60. Who was the first man to step on the moon?

a) Neil Armstrong

b) Buzz Aldrin

c) Yuri Gagarin

d) John Glenn

60. Which of the following is most similar to the word "river"?

a) Stream

b) Mountain

c) Desert

d) Forest