Brain Teasers – May/June 2022

by | Apr 28, 2022 | Uncategorized | 0 comments

NOTE:  Newest BTs in red, Bonuses in blue, comments in green, updates in purple.

  1. 6 + 5 – 4 x 3 ÷ 2 = ?
  2. Pure Trivia, no math 😊 What’s the only word in the English language that uses all five vowels, once each, and in order?!   (Update:  Apparently, there are at least two such words!)
  3. What’s the volume of a tank whose measurements are 80 cm x 1 meter x 600 mm?
  4. There are 3 separate boxes. Inside each box are two smaller boxes.  Inside each smaller box are 3 dice (number cubes).  What’s the sum of all the pips on all the dice?  (For those of you old enough, you can’t ask Gladys Knight. 😊)
  5.  Match the correct building tops below to the building foundations to correctly complete all buildings.mind teaser
  6.  Funny joke? (Saw this online.)  What’s the difference between a violin and a fiddle?  (Lots of answers here I suspect.)
  7.  A rectangle with sides x + 2 and 3x – 1 has perimeter of 18 units.  Find the value of x.
  8. If the radius of a circle is tripled, how much does the area of the circle increase?

BONUS 1:  How many sets of two initials (like LC, as in first/last name) would you need to have to BE SURE there were at least two sets of initials that are duplicates?

BONUS 2:  Are there any non-negative integers x where  2x < x2 ?