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Daily Mental Sharpener - October 23, 2026

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Eight quick puzzles — patterns, deduction, spatial reasoning, mental math, and two timed memory challenges. About 7 minutes, one point per puzzle, score out of 8. Recreational only: this is a sharpener, not an IQ verdict.

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1. Find the missing number: 6, 11, 21, 41, 81, __ *
2. All pianists are musicians. No musicians are athletes. Which of these must be true? *
3. An ordinary analog wall clock is seen in a mirror, and the reflection reads 4:35. What time does the clock actually show? *
4. An online store sells a shirt for $24. Buy two, get the third shirt at half price. What is the total for three shirts? *
5. Find the missing number: 1, 8, 27, 64, 125, __ *
6. Five teammates — Quinn, Rosa, Sage, Tate, Uma — line up for a photo, left to right. Rosa is right of Quinn. Uma is immediately left of Sage. Tate is at one end, not the left. Sage is right of Rosa. Who is third? *
7. Memory challenge *

You will have 30 seconds to study the material. It will then disappear, and you will answer a question about it.

8. Memory challenge *

You will have 45 seconds to study the material. It will then disappear, and you will answer a question about it.

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