The solutions to today’s puzzles Earlier today I set you these six puzzles. Here they are again with solutions. 1. The oldest person must be lying, so the maximum is 2. Here is an example with 2 people telling the truth: 30-40-20 (Ages as…
MATHS WEEK is under way and, as is our annual tradition, we’re setting our readers some puzzles. Give them a go! You can check out other events being held over the next week here. Mathematical thinking is part of everyday…
MATHS WEEK STARTS today and, as is our annual tradition, we’re setting our readers some puzzles. Give them a go! You can check out other events being held over the next seven days here. “WHY DO WE do maths?” is…
Part of MathsTeacher talks Hello, I’m Mr McPartlin, and together we are going to explore using a number line to 100 and to 1000. A number line is a line with marked intervals on it. Often there are numbers placed on the…
Updated on May 09, 2025 These tricky brain teasers will sharpen your mind and put your problem-solving skills to the test. See how many you can figure out—without cheating! We all like to think we’re good at using that all-important muscle…
Did you get the answers correct? Freeze, puzzle solver! Are you sure you want to reveal the answers? If you stumbled across this page without checking out part one, view the riddles here before proceeding. Don’t overthink this. Each baby…
Last night before bed, for no particular reason, I thought about Wolfgang Pauli and his obsession with the number 137 (see Wolfgang Pauli & the Weirdness of # 137). This morning I woke up wondering if the weirdness of the fine-structure constant (α≈1/137) must…
Play free Kiplinger puzzles and word games everyday, including crosswords, Sudoku and word search. Take a break and play today's free mini crossword. There's a new mini puzzle to test your wits every day. Try today's word flower puzzle. Find…
Your task is to find the missing tile in the above 3×3 grid! Drop your answer in the comments, and let’s see who can crack it! Scroll down when you are ready for the solution! In each row and each column,…
Quick Answer & Key Insight: Why Does 1/998001 Generate All 3-Digit Numbers? Yes, 1/998001 generates every 3-digit sequence. Because 998001 equals $999^2$, the decimal expansion cascades through consecutive integers, but carrying digits at the 998th block creates an unexpected loop trap that skips 998. See the mathematical…
Mathematical puzzles to solve: puzzle columns such as The Guardian's, viral maths questions, and problems with their solutions.
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