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March 2015 Brain Teaser Solution

Q: A group of 100 students play various instruments: 70 play trombone, 75 play accordion, 85 play violin and 80 play guitar.  What is the minimum number of students who must play all 4? 145 more words

Brain Teaser

Saturday's Riddle (3/28/15)

I’m often addressed by some formal name
Sometimes I’ll return from where I first came.
I often cross streets and go around blocks
Sometime I am found inside of a box. 6 more words

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Friday's Riddle (3/27/15)

It is known to glow with funny faces
It can have some teeth with many spaces.
It can lose its lid and create some fright… 14 more words

Brain Teaser

Thursday's Riddle (3/26/15)

It’s never heavy and it’s never dark
When stopping traffic, it’s right on the mark.
Found with cigarettes but rarely in caves
It has its own house, it makes lots of waves. 6 more words

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Wednesday's Riddle (3/25/15)

It’s seen with a smile, seldom with a frown
Rarely with the left, mostly up and down.
Found at a party or business meeting
It could mean the end or just a greeting. 6 more words

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Tuesday's Riddle (3/24/15)

It has two letters, one which marks the spot
Each one can be placed where the other’s not.
Could be vertical, even side to side… 32 more words

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Monday's Riddle (3/23/15)

I am not a queen, but I wear a crown
Though I’m not a judge a robe is my gown.
Although I’m not new I’m still very green… 16 more words

Brain Teaser