Friday, 16 June 2017

DAY 452

LA Times Crossword
June 15, 2017
Brian Thomas

The four collections of letters below follow a certain pattern and are related. Can you determine what's going on?

X I F
D ST
URY

R I X
I  S T
TH Y

TFO
YIN
NER

HOT
EY I
NEG

HINTS:
#1: The letters in each set are scrambled.
#2: The shape of each set is a clue.

Answer:

The letters in each collection, unscrambled, spelled out:

SIXTY-FOUR
THIRTY-SIX
FORTY-NINE
EIGHTY-ONE - - - 3 x 3 letters - - - perfect squares



Friday, 9 June 2017

DAY 451

True or false: any score is possible in American football.

Answer:

True: A point after touchdown is 1 point and a safety is 2 points - making every odd or even number possible. (Joseph Appel)

Wednesday, 4 January 2017

DAY 450

Six sewers take six hours to sew six shirts. How many sewers will it take to sew 100 shirts in 60 hours?

Answer:

Ten sewers
Each sewer sews one shirt in six hours. 
In sixty hours one sewer could sew ten shirts.  

Credit: Abbie Salny
The SuperSmart SuperPuzzle Book

Tuesday, 1 November 2016

DAY 449

GO FORTH AND MULTIPLY
Credit: GAMES/World of Puzzles
October, 2016
Raymond Love

Can you figure out what A must be and what B must be in the multiplication problem below to make it valid? The answer is unique.

     AB
  x    A  
   BAA

Answer:

A = 8
B = 6

    86
 x   8 
  688


Monday, 26 September 2016

DAY 448

What do you think of when you see the numbers 36-24-36?

Answer:

The sides of an Isosceles triangle, of course. 

Credit:
Victor Fleming
BY THE NUMBERS 





Saturday, 3 September 2016

NOTE FROM JA:

I have been thinking about the problem of how many fifth Sundays there are in a year (DAY 356). If you are interested, please read my comments - posted on DAY 356. Thank you.

Saturday, 4 June 2016

DAY 447

THREE COINS

Credit: NPR Weekend Edition Sunday Puzzle
July 3, 2005
Presented by Will Shortz
Puzzle by Eric Friedman

[Note from JA: I do not know how this problem was solved, as no explanation was given. This puzzle was used in the U.S. Puzzle Championship in 2005. There are two possible answers.]

A certain country mints coins in only three denominations. Each denomination is an integral number (1, 3, 4, etc.) The amounts 20, 23, and 29 can be made exactly by using three coins. What are the denominations of the coins?

Answers:

6, 7, 11 or
5, 9, 10