THE INHERITANCE PROBLEM A man divides his cattle among his four sons so that the oldest son gets 1/2 the herd, the next son 1/4, the next 1/5, and the youngest son the remaining 20 cows. How many cattle are in the herd? SOLUTION The man has 400 cattle in his herd. (Trial and error, […]
Category: Brain Teasers
PP 24.4 Solution
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 quite 9. So the natural #s between them would be 3,4,5,6,7, & 8.) 2. What’s the largest three-digit number divisible by both 7 & 9? 945 **** BONUS: How many nonzero perfect […]
PP 24.2 Solution
FIRSTANSWER: TANK G (Wrong – see green below.) REASONING: As A begins to fill, it will almost immediately begin to flow into B (before rising higher). As B begins to fill, it will likewise flow into C. As C fills (and before it gets to the J outlet), it will begin to flow into D. […]
Pesky Puzzler 24.3
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 of them?) For this Puzzle, answer ANY ONE of them and get credit (and recognition :-)). Extra credit for more than one answer! 1. If two’s company and three’s a crowd, […]
Pesky Puzzle IV – Nov 13, 2023
How many squares (of any size) can you find in the figure above? (Don’t forget to count . . .)
Puzzler II – Solution
Our new friends the Popps, are in a food fight. Well, not your typical ‘food fight’ – more precisely, an argument about food they are ordering. The Popps – Sodah and Lollie – have a daughter (Momen). They are ordering pizza and Momen wants them to order 3 individual size (8-inch) pizzas so they can […]
Pesky Puzzler III – Oct 30, 2023
Look at the square below containing the digits from 1 – 9. What unique feature does the square possess? (Suspect there could be more than one answer?) 1 2 3 8 9 4 7 6 5
Pesky Puzzler II – Oct 16, 2023
Our new friends the Popps, are in a food fight. Well, not your typical ‘food fight’ – more precisely, an argument about food they are ordering. The Popps – Sodah and Lollie – have a daughter (Momen). They are ordering pizza and Momen wants them to order 3 individual size (8-inch) pizzas so they can […]
Pesky Puzzler for 10/2: Solution
The Case of the Carpet Conundrum The Popp family is searching for new carpeting and has been researching all the sales. Sodah has found a sale for $1.72 per square foot, while his wife Lollie has discovered a price of $5.31 square yard. They agree that they like both patterns, and the quality seems similar, […]
Pesky Puzzler – Oct 2, 2023
The Case of the Carpet Conundrum The Popp family is searching for new carpeting and has been researching all the sales. Sodah has found a sale for $1.72 per square foot, while his wife Lollie has discovered a price of $5.31 square yard. They agree that they like both patterns, and the quality seems similar, […]
