Posts by Larry Campbell

SOLUTIONS: 1.  How many natural numbers are between the square roots of 8 & 80?  Six.  (SQRT 8 is just less than 3, and SQRT 80 is not[…]

1.  How many natural numbers are between the square roots of 8 & 80? 2. What’s the largest three-digit number divisible by both 7 &[…]

HOPEFULLY-EASY RIDDLES? Let’s try to make up for the over-complicated Puzzle from last time!  Here are some good old standard riddles. (Perhaps you’ve heard some[…]

The Amazing Matching Birthdays Fact QUESTION:  Suppose you are in a gathering that includes, say, three dozen folks.  How likely is it that two of[…]

FIRSTANSWER: TANK G  (Wrong – see green below.) REASONING: As A begins to fill, it will almost immediately begin to flow into B (before rising[…]

HOPEFULLY-EASY RIDDLES? Let’s try to make up for the over-complicated Puzzle from last time!  Here are some good old standard riddles. (Perhaps you’ve heard some[…]

Apparently, one needs to click here:    no humor signs

Curiosity of the Week – December 9, 2024:  You can now get a headstone with a QR code. Called “Living Headstones”, they show pages with[…]

Consider this January 24, and look at its date, written with the two-digit year:  1/24/24.  Note that the month (1) times the day (24) equals the[…]

PUZZLER VI: What Error is in This Picture?  (You may ignore the 0:10 ‘timer’ embedded in the shot.) SOLUTION: There were a few believable ‘errors’[…]