150+ Logic Questions and Brain Teasers with Answers

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Put your reasoning to the test with 150+ logic questions and brain teasers. Think through each problem, reveal the options and check whether your answer holds up.

150+ Logic Questions and Brain Teasers with Answers

Read each question carefully and try to solve it before revealing the options. Once you have an answer in mind, show the choices and check which one is correct.

  1. How long did John Paul I rule?
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    • 33 days
    • 8 years
    • 27 years
    Want more questions? Take the full quiz:15 general knowledge questions and answers
  2. How many 4 cent postal cards are there in a dozen ?
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    • 12
    • 11
    • 10
    • 9
    Want more questions? Take the full quiz:Take this LOGIC quiz, if you are feeling smart enough. Only 10% can get more than 11 out of 15
  3. How many different ways can you choose three books out of a total of six?
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    • 20
    • 3
    • 18
    Want more questions? Take the full quiz:Can you pass this math quiz? 9 in 10 people can't score over 10/15
  4. How many hearts does an octopus have?
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    • 1
    • 3
    • 5
    Want more questions? Take the full quiz:15 general knowledge questions and answers
  5. How many liters equals 45 dm ^ 3?
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    • 0.045 liters
    • 45 liters
    • 45,000 liters
    Want more questions? Take the full quiz:Math and logic quiz. Put your knowledge to the test
  6. How many programming languages exist?
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    • 607
    • 659
    • 698
    • 689
    Want more questions? Take the full quiz:Only 1 in 50 programmers can score a perfect score. Are you the one?
  7. How many sides does a decagon have?
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    • 10
    • 12
    Want more questions? Take the full quiz:Math and logic quiz. Put your knowledge to the test
  8. How many times can you take away 2 from 100 ?
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    • 100
    • 50
    • 1
    • 2
    Want more questions? Take the full quiz:Are you smart enough to answer all 15 questions of this LOGIC quiz? Average score is... 8/15
  9. How many ways can the letters of the name Marcus be ordered?
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    • 60
    • 360
    • 720
    Want more questions? Take the full quiz:IQ Test - Free online IQ test with instant results
  10. How much is 20% of 1780?
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    • 267
    • 356
    • 445
    Want more questions? Take the full quiz:15 general knowledge questions and answers
  11. How you doing? Now the gcd of 15 and 30
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    • 30
    • 15
    • 5
    Want more questions? Take the full quiz:Greatest Common Divisor. Do you know how to calculate it? [QUIZ]
  12. I, X, C, (...) Clue? They're Roman numerals.
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    • D
    • L
    • M
    Want more questions? Take the full quiz:Are you as smart as you think you are? Prove it - QUIZ
  13. Identify the correct meaning of the given Idiom: To have an axe to grind.
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    • To have a private end to serve.
    • To fail to arouse interest.
    • To have no result.
    • To work for both sides.
    Want more questions? Take the full quiz:Scoring more than 10/15 in this simple English test is really tough. Are you one of the fluent English speakers who know what's the right use of words?
  14. If "vigor" is the correct word to be used in the following sentence, where will it be replaced?: "It is characteristic of old to sap a man's ebullience and rob him of his natural senility."
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    • "It is characteristic of old to sap a man's ebullience and rob him of his natural vigor."
    • "It is characteristic of old to sap a man's vigor and rob him of his natural senility."
    Want more questions? Take the full quiz:Scoring more than 10/15 in this simple English test is really tough. Are you one of the fluent English speakers who know what's the right use of words?
  15. If 3 dice are rolled, what is the possibility of adding 6?
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    • 5/108
    • 5/36
    • 8/36
    Want more questions? Take the full quiz:Can you pass this math quiz? 9 in 10 people can't score over 10/15
  16. If 3 men can eat 3 steaks in 3 days, how many steaks can 6 men eat in 6 days?
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    • 1
    • 9
    • 13
    • 12
    Want more questions? Take the full quiz:Take this LOGIC quiz, if you are feeling smart enough. Only 10% can get more than 11 out of 15
  17. If 35% of a city are exclusively rights, and 55% exclusively left-handed. What percentage of the population is ambidextrous?
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    • 10%
    • 15%
    • 18%
    Want more questions? Take the full quiz:Can you pass this math quiz? 9 in 10 people can't score over 10/15
  18. If a politician increases the number of followers from 500 to 600, his percentage increase was:
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    • 15%
    • 100%
    • 20%
    Want more questions? Take the full quiz:Can you pass this math quiz? 9 in 10 people can't score over 10/15
  19. If five men are standing in a circle and they know four of them are wearing 2 white hats and 2 black hats, but each men does not know what color he is wearing, how many of them will figure out what color their hat is, if nobody says anything?
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    • 1
    • 2
    • 3
    • 4
    Want more questions? Take the full quiz:Take this LOGIC quiz, if you are feeling smart enough. Only 10% can get more than 11 out of 15
  20. If John increases his Facebook contacts from 500 to 600 in January, his percentage increase is:
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    • 15%
    • 20%
    • 30%
    Want more questions? Take the full quiz:IQ Test - Free online IQ test with instant results
  21. If Silvia has solved 3/4 of the math problems and Luis has solved 3/5 of the same problems, who has solved the most?
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    • Luis
    • Silvia
    Want more questions? Take the full quiz:Math and logic quiz. Put your knowledge to the test
  22. If the price of the iphone 6 increased from 5600 dollars to 6000 dollars, its percentage increase was:
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    • 5 %
    • 6,6 %
    • 7,14 %
    Want more questions? Take the full quiz:A teenager should solve this quiz easily. Can you answer all 15 questions?
  23. If the side of a square increases by 10%, how much does its area increase?
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    • 10 %
    • 21 %
    • 40 %
    Want more questions? Take the full quiz:A teenager should solve this quiz easily. Can you answer all 15 questions?
  24. If the side of a square increases by 10%, how much does your area increase?
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    • 20%
    • 40%
    • 21%
    Want more questions? Take the full quiz:Can you pass this math quiz? 9 in 10 people can't score over 10/15
  25. If there are 5 apples on the counter and you take away 2, how many do you have?
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    • 5
    • 2
    • 3
    • 7
    Want more questions? Take the full quiz:Are you the smart one among your friends? Take this logic quiz
  26. If there are three times more peaches (M) than plums (C) in a basket, one expression for the total fruit is:
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    • 3C+M
    • 4M
    • 3C-M
    • 4C
    Want more questions? Take the full quiz:A teenager should solve this quiz easily. Can you answer all 15 questions?
  27. If two painters can finish painting 2 rooms in 2 hours, how many painters would be needed to paint 18 rooms in 6 hours ?
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    • 2
    • 10
    • 5
    • 6
    Want more questions? Take the full quiz:Take this LOGIC quiz, if you are feeling smart enough. Only 10% can get more than 11 out of 15
  28. If we use the last question but this time the men can say if they know their hat color, how many men will eventually figure out what color their hat is?
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    • 3
    • 4
    • 5
    • None of the above
    Want more questions? Take the full quiz:Take this LOGIC quiz, if you are feeling smart enough. Only 10% can get more than 11 out of 15
  29. If you are running in a marathon and you overtake the 107th competitor, what position do you take?
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    • 106
    • 107
    • 105
    • None of the above
    Want more questions? Take the full quiz:Take this LOGIC quiz, if you are feeling smart enough. Only 10% can get more than 11 out of 15
  30. If you are walking south at 3 mph while smoking, and the wind is blowing north at 6 mph, which way is the smoke blowing?
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    • North
    • South
    • East
    • West
    Want more questions? Take the full quiz:Take this LOGIC quiz, if you are feeling smart enough. Only 10% can get more than 11 out of 15
  31. If you rehearse 8 themes for the festival, but you can only play 3 of them, how many possibilities do you have to choose the 3 themes of the 8 possible?
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    • 24
    • 56
    • 3
    Want more questions? Take the full quiz:Can you pass this math quiz? 9 in 10 people can't score over 10/15
  32. If you take a deck of 52 cards, what are the chances that you will draw a particular red card?
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    • 1/26
    • 1
    • 1/52
    Want more questions? Take the full quiz:A teenager should solve this quiz easily. Can you answer all 15 questions?
  33. If you write every number from 100 to 200, how many times will you write the number "1"?
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    • 100
    • 80
    • 120
    • 99
    Want more questions? Take the full quiz:Are you smart enough to answer all 15 questions of this LOGIC quiz? Average score is... 8/15
  34. If you write every number from 100 to 200, how many times will you write the number "1"?
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    • 120
    • 100
    • 99
    • 51
    Want more questions? Take the full quiz:Are you the smart one among your friends? Take this logic quiz
  35. II, I, IV, I, VI, I, VIII, I (...)
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    • X
    • XII
    • XVI
    Want more questions? Take the full quiz:Are you as smart as you think you are? Prove it - QUIZ
  36. In a club consisting of 13 participants, 11 practice Ping pong and 10 chess. How many practice both sports?
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    • 5
    • 7
    • 8
    Want more questions? Take the full quiz:Can you pass this math quiz? 9 in 10 people can't score over 10/15
  37. In a darkroom and you have one match left, which do you light first, the newspaper, the candle or the lamp?
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    • Newspaper
    • Candle
    • Lamp
    • None of the above
    Want more questions? Take the full quiz:Take this LOGIC quiz, if you are feeling smart enough. Only 10% can get more than 11 out of 15
  38. In a language school, 8 teachers speak only German and 5 only Italian. How many teachers are there in total, if you know that 3 speak both?
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    • 19
    • 16
    • 20
    Want more questions? Take the full quiz:IQ Test - Free online IQ test with instant results
  39. In all the given sentences, the same word has been used in different sentences in different ways. Choose the option where the word has been used incorrectly.
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    • He got carried away with the unruly mob and indulged in stone pelting.
    • She carried on with life in spite of her personal difficulties.
    • It will be difficult to carry out the plan now.
    • If they get carried on with the over-speeding, they will soon be bankrupt.
    Want more questions? Take the full quiz:Scoring more than 10/15 in this simple English test is really tough. Are you one of the fluent English speakers who know what's the right use of words?
  40. In the expression B= 2C² if C is tripled then B is multiplied by
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    • 3
    • 6
    • 4
    • None of the above.
    Want more questions? Take the full quiz:A teenager should solve this quiz easily. Can you answer all 15 questions?
  41. In the expression y=4x, if the x is doubled the y is:
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    • Duplicated
    • Triplicated
    • It remains the same.
    Want more questions? Take the full quiz:A teenager should solve this quiz easily. Can you answer all 15 questions?
  42. In the final stretch of a marathon, you quickly ran by the person who is in second place, what place are you in?
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    • 1st
    • 2nd
    • 3rd
    Want more questions? Take the full quiz:Are you the smart one among your friends? Take this logic quiz
  43. In the same family, there are two daughters, two mothers, 1 grandmother and 1 granddaughter. How many people are there?
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    • 4
    • 5
    • 6
    • 3
    Want more questions? Take the full quiz:Are you smart enough to answer all 15 questions of this LOGIC quiz? Average score is... 8/15
  44. In what city did the assassination of Archduke Franz Ferdinand take place?
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    • Belgrade
    • Sarajevo
    • Zagreb
    Want more questions? Take the full quiz:20 simple general knowledge quiz questions. Can you score 20/20?
  45. In what country was Salvador Allende murdered?
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    • Chile
    • Mexico
    • Uruguay
    Want more questions? Take the full quiz:20 simple general knowledge quiz questions. Can you score 20/20?
  46. In what year was the specification for the COBOL language created?
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    • 1945
    • 1950
    • 1952
    • 1959
    Want more questions? Take the full quiz:Only 1 in 50 programmers can score a perfect score. Are you the one?
  47. In which categories Marie Curie won two Nobel prizes?
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    • Medicine and peace
    • Physics and chemistry
    • Mathematics and Physics
    Want more questions? Take the full quiz:15 general knowledge questions and answers
  48. It is true that "Women are beautiful when they are flirtatious" and "Josephine is not beautiful". Then, it is concluded that:
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    • Josephine is not flirtatious.
    • Julia must be very flirtatious.
    • Josephine could be flirtatious and ugly.
    Want more questions? Take the full quiz:IQ Test - Free online IQ test with instant results
  49. Johnny's mother had three children. The first child was named April. The second child was named May. What was the third child's name?
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    • Johnny
    • June
    • April
    • None of the above
    Want more questions? Take the full quiz:Are you smart enough to answer all 15 questions of this LOGIC quiz? Average score is... 8/15
  50. Las Meninas is a work of:
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    • Velázquez
    • Dalí
    • Rivera
    Want more questions? Take the full quiz:20 simple general knowledge quiz questions. Can you score 20/20?

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