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Daily Mental Sharpener - October 24, 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: 3, 7, 15, 31, 63, __ *
2. All cats are mammals. Some pets are cats. Which of these must be true? *
3. From the park entrance, walk 2 blocks north, 3 blocks east, then 1 block south. In which direction is the café from the entrance? *
4. A recipe calls for 3/4 cup of flour per batch. How many cups are needed for 4 batches? *
5. Find the missing number: 1, 3, 6, 10, 15, __ *
6. Five coworkers — Ana, Ben, Cara, Dan, Eli — sit in a row. Dan sits immediately right of Ana. Eli sits at one end, not the left. Cara sits left of Ben. Ben sits immediately right of Dan. Who sits 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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