Brainteasers10 randomly selected Brainteasers questions for quizmasters. New random selection made weekly. Next update: Monday 7th July 2025 (Please note: Questions are taken from our database of previous quizzes. Some questions and answers may be outdated.) |
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| 1. | In a row of seven houses, each house has a different colour front door. The white door is between the purple door and the red door. There are two houses between the blue door and the purple door. The yellow door is the last in the row. The orange door is next to the blue door. The house between the orange door and the purple door has a green front door. The first house in the row does not have a red front door. What is the order of the front doors? |
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Blue, orange, green, purple, white, red and yellow | |
| 2. | What letter should replace the question mark? |
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U (On each row and column the alphabetical position of the first letter plus the alphabetical position of the second letter gives the alphabetical position of the third letter.) | |
| 3. | What comes next in this chronological sequence: DN, FRWL, G, T, YOLT, ___? |
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OHMSS (James Bond films by Eon Productions - Dr. No (1962) From Russia with Love (1963) Goldfinger (1964) Thunderball (1965) You Only Live Twice (1967) On Her Majesty's Secret Service (1969)) | |
| 4. | Santa prefers candy cane to mixed nuts, apple pie to fruitcake, roast turkey to Beef Wellington. Will he prefer mince pies, Dundee cake, or Christmas pudding? |
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Dundee cake (He prefers things with three syllables) | |
| 5. | Assume you are using a basic calculator and press the numbers in the order shown, replacing each question mark with a mathematical sign. Plus, minus, multiply and divide can each be used once only. In which order should they be used to give 24? 2 ? 8 ? 6 ? 9 ? 3 = 24 |
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− ÷ + × | |
| 6. | Five people are queueing to pay for their shopping at Tops. John is spending 330 baht more than Raffa and Raffa is spending 260 baht less than Shaun. Phil spends 70 baht more than Alan and Shaun spends 120 baht more than Phil. Raffa and Phil spend 780 baht between them. How much do the five people spend in total? |
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2400 baht (John 650, Raffa 320, Shaun 580, Alan 390, Phil 460) | |
| 7. | What is the 4-digit number in which the first digit is one-fifth the last, and the second and third digits are the last digit multiplied by 3? (Hint: The sum of all digits is 12.) |
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1155 | |
| 8. | How many squares are made by the red lines in this picture? |
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40 | |
| 9. | What comes last in this sequence: |
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DH (Last five Harry Potter novels: Prisoner of Azkaban, Goblet of Fire, Order of the Phoenix, Half-Blood Prince, Deathly Hallows) | |
| 10. | A car has travelled 240 miles at 60 mph. It began its journey with a full tank of 12 gallons, but the tank has been leaking throughout the journey and is now empty. The car ran at 40 miles per gallon. How many gallons of fuel does it leak per hour? |
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1½ | |
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