Posts in Brain Teasers

Sep/Oct ’18 Brain Teasers – SUMMARY REMINDER: Answers in red.  Solvers (submitted/correct) in blue. (Forgive any omissions, but feel free to inform.) Comments in green.[…]

(An oldie-but-goodie!  Too easy?)  I have two coins that add up to 55 cents, but one of them is not a nickel.  What are the[…]

Sep/Oct ’18 Brain Teasers – SUMMARY REMINDER: Answers in red.  Solvers (submitted/correct) in blue. (Forgive any omissions.) Comments in green. For further elaboration, feel free[…]

1.  Check out this Krazy Pic from the 10/29 mailing.  Why do we know this picture probably came from Great Britain, say, rather than the US?[…]

I What do bulletproof vests, fire escapes, windshield wipers, and laser printers all have in common?  On which day of the year are there more[…]

July/August ’18 Brain Teasers – SUMMARY REMINDER: Answers in red.  Solvers (submitted/correct) in blue. (Forgive any omissions.) Comments in green. For further elaboration, feel free[…]

1.  A customer in a restaurant found a dead fly in his coffee.  He sent the waiter back for a fresh cup.  After a sip[…]

1. A given cube has the length of each side doubled to form a new cube.  How does the volume of the new cube relate to the old[…]

Using the digits 1 – 6 once each, what is the largest proper fraction (less than 1) that you can form? (E.g. 234/516 is bigger than[…]