Brainteasers10 randomly selected Brainteasers questions for quizmasters. New random selection made weekly. Next update: Monday 5th January 2026 (Please note: Questions are taken from our database of previous quizzes. Some questions and answers may be outdated.) |
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| 1. | What number is missing in the following sequence? |
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96 (Minus one, then multiply by three, and repeat.) | |
| 2. | A clock was correct at midnight. From that moment it began to lose four minutes per hour. The clock stopped three hours ago showing 12:08pm. The clock ran for less than 24 hours. What is the correct time now? |
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16:00 or 4pm | |
| 3. | Solve this puzzle to reveal the answer to the bottom line. |
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60 (Drink=10, Burger=5, Fries=1, (5+1)×10=60) | |
| 4. | If 8886 = 7, 7127 = 0, 9699 = 4, and 8918 = 5, then 1909 = ? |
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3 (the number of enclosed areas in the numbers) | |
| 5. | A man walks east for 4 km. Then south for 3 km. Then west for 2 km. Then north for 1 km. Then west for 2 km. In which direction and for how far should he walk to return to his starting point? |
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North 2 km | |
| 6. | Find an 11-letter word to fit each clue. All three words begin and end with 'H'. What are the words? a) A root vegetable b) Very small margin c) A textile pattern |
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a) Horseradish b) Hairbreadth c) Houndstooth | |
| 7. | The vowels have been removed from these four associated words. What are they? SPRSS MRCN MCH MCCHT |
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Espresso Americano Mocha Macchiato (Coffees) | |
| 8. | What number should replace the question mark? 28→9 52→15 84→23 20→7 100→? |
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27 (Divide by 4, then add 2) | |
| 9. | John bought 4 mangoes and 3 limes for 69 baht. The next day, he bought 3 mangoes and 4 limes for 64 baht. How much did each mango and lime cost? |
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Mangoes 12 baht / Limes 7 baht | |
| 10. | Susan is Debbie's only husband's mother-in-law's only husband's only daughter's only daughter. What relation is Susan to Debbie? |
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Debbie's daughter (Debbie's mother's husband is Debbie's father, his daughter is Debbie, and Susan is her daughter) | |
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