Brainteasers10 randomly selected Brainteasers questions for quizmasters. New random selection made weekly. Next update: Monday 20th May 2024 (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 Some questions and answers may be outdated.)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 should replace the question mark below? |
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48.75 ((num1 × num2) + (num1 ÷ num2)) | |
| 2. | Two vehicles set off from the same point, at the same time, to travel the same 90 mile journey. One of the vehicles travels at 50 mph and the other travels at 36 mph. How many minutes will there be between the arrival times of the two vehicles? |
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42 (108 minutes vs 150 minutes) | |
| 3. | 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 | |
| 4. | Which is the correct view for a person who stands at the red point looking at the figure in the indicated direction? |
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D | |
| 5. | 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) | |
| 6. | A helicopter covers its outward journey at 330 km/h. It returns over exactly the same distance at 220 km/h. What is the helicopter's average speed over the entire journey? |
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264 km/h | |
| 7. | A lottery cage contains 10 balls, numbered 0 to 9. Four balls are drawn and placed in the order they were drawn to reveal a 4-digit winning number. What are the odds of winning? |
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5,040 to 1 (10×9×8×7) | |
| 8. | At a fitness centre there are three times as many people on a Rowing Machine as there are doing Dumbbells. There are 10 more people on a Treadmill than doing Dumbbells and 7 less on an Exercise Bike than on a Treadmill. 9 people are working out on an Exercise Bike. How many are on a Rowing Machine? |
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18 (Dumbbells 6, Exercise Bike 9, Treadmill 16) | |
| 9. | 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.) | |
| 10. | Six of these words have something in common. Which one does not belong? DRAWER KNITS MARKER SPAM SPINS TIMER WARTS |
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Marker (All the others spell another word when read backwards.) | |
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