Brainteasers10 randomly selected Brainteasers questions for quizmasters. New random selection made weekly. Next update: Monday 13th July 2026 (Please note: Questions are taken from our database of previous quizzes. Some questions and answers may be outdated.) |
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| 1. | I am a popular drink. Add one letter and I am a blue-green colour. Change one letter and I am a business agreement. Change another letter and I am a small valley. Change one final letter and I am a percussion instrument. What did I start as, and what did I become? |
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Tea, Bell (Tea, teal, deal, dell, bell.) | |
| 2. | In a footrace, Brian was neither first nor last. Debbie beat Brian. Brian beat John. Chris was neither first nor last. Chris beat James. John beat Chris. Who came in last? |
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James | |
| 3. | Forwards I'm heavy, backwards I'm not. What am I? |
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Ton | |
| 4. | Which of the dice on the right correctly completes the pattern on the left? |
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C (Each row of dice multiplies to 72) | |
| 5. | What comes next in this sequence? 16, 8, 11, 14, 9, 12, 5, __? |
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20 (numbers on a dart board) | |
| 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. | 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) | |
| 8. | In a spelling test consisting of 20 words, John spelt only two correctly at the first attempt. After learning the spellings he tried the same 20 words again. If his average over the two attempts was nine, how many of the 20 words did he spell correctly on the second attempt? |
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16 | |
| 9. | If 11 + 3 = 2, 12 + 1 = 1, 6 + 4 = 10, and 9 + 7 = 4, what does 7 + 6 = ? |
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1 (on a clock) | |
| 10. | Chang was introduced at a special offer price. 20 bottles were sold at 44 baht each, and after the special offer finished, a further 52 were sold at the regular price. The average amount paid for Chang was 70 baht. What was the regular price of Chang? |
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80 baht ((52+20)×70=5040, 20×44=880, (5040-880)=4160, 4160÷52=80) | |
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