Brainteasers10 randomly selected Brainteasers questions for quizmasters. New random selection made weekly. Next update: Monday 9th March 2026 (Please note: Questions are taken from our database of previous quizzes. Some questions and answers may be outdated.) |
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| 1. | Which of these four scrambled words is the "odd one out" when unscrambled? |
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(d) BEIJING (Chicago, Houston and Phoenix are in the United States) | |
| 2. | What number is missing in this sequence? 5 4 12 11 33 32 ? 95 285 |
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96 (Minus one then multiply by three, and repeat.) | |
| 3. | How many times does the number 1 appear on an advent calendar with 24 doors? |
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13 | |
| 4. | A man is four times as old as his son. In ten years, the man will be three times as old as his son. What is the man's current age? |
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80 | |
| 5. | Three Khon Kaen expats are on a charity walk to Udon Thani province. On the first day they travel one fifth of the total distance. The next day they cover one third of what is left. The following day they cover one quarter of the remainder. On the fourth day they cover half of the remaining distance. The three expats have 25 km left. How many kilometres have they travelled up to now? |
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100 (25÷1×2=50 50÷3×4=66⅔ 66⅔÷2×3=100 100÷4×5=125 125−25=100) | |
| 6. | Three volumes of Lord of the Rings sit in order on a shelf. Each is 30 mm thick, with 26 mm of pages and 2 mm for each cover. A bookworm munches from page 1 of the first volume through to the last page of the third volume. How far does it travel? |
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34 mm | |
| 7. | John, Allan, James and Scott went on a shopping trip. John bought five times as many items as Allan bought. Scott bought 6 more than Allan and James bought 5 less than Scott. James bought 3 items. How many did John buy? |
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10 (Allan 2 and Scott 8) | |
| 8. | 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) | |
| 9. | At a party, 10 men shake hands with each other. They all get to shake everyone's hand. No two people shake hands with each other more than once. How many total handshakes are there? |
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45 (9+8+7+6+5+4+3+2+1) | |
| 10. | What number is missing in the following sequence? |
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96 (Minus one, then multiply by three, and repeat.) | |
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