← Polls & Assessments

Daily Mental Sharpener - October 22, 2026

0 views

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.

Your answers are stored with your account. If you choose anonymous participation, your identity will not be displayed with the tool response.
1. Find the missing number: 5, 9, 17, 33, 65, __ *
2. No doctors are magicians. Some entertainers are magicians. Which of these must be true? *
3. Fold a square napkin in half left-to-right, then in half top-to-bottom. Punch one hole through the bottom-right corner of the folded square. How many holes are in the unfolded napkin? *
4. A bus has 96 seats. Two-thirds are taken. Then 12 more passengers board. How many seats stay empty? *
5. Find the missing number: 7, 14, 13, 26, 25, 50, __ *
6. Five friends — Fern, Glen, Hazel, Moss, Reed — stand in a lunch line, first to last. Glen stands ahead of Hazel. Moss stands right behind Fern. Reed is at an end, but not first. Hazel stands ahead of Moss. Who stands 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.