BrainDen.com - Brain Teasers

# rocdocmac

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13

6. ## Brain Teaser

Found three solutions ... Maybe not correct ... Can't edit - sorry for the spolier outside the box!
7. ## Brain Teaser

I think that st3v3n80 should ask his friend that gave the puzzle to him/her, to clarify. It's relatively easy to sort out names and countries, but the number of caches appears not to have enough given clues.
8. ## You're super genius if you solve this Puzzle

@Thalia Well done!
9. ## Brain Teaser

Wat is meant by "but one to the Belgian"? A word missing? Unclear whether there is one or two tents between them.

11. ## You're super genius if you solve this Puzzle

Something is wrong with one or more of the numbers in the OP!

14. ## Calc-quickie

That's it! Plainglazed's answer appears to have come in slightly ahead of bonanova's, but both of them are right. X^2 =C (10^2 = 100) X^3 = M (10^3 = 1000) Was a quickie, wasn't it?

16. ## Brick quickie

If all the "bricks" in the stack shown are identical to one another with a single brick having a circumference of 345 units ( section view), what is the circumference of the whole stack?
17. ## Brick quickie

A bit late now, but here's a revisit. I told you that I could have chosen a "better" stack! Here's one that actually works. It contains overhanging of bricks, but shows that shifting does not necessarily alter the perimeter. No more yellow segments, Thalia!

21. ## Brick quickie

Mathematically very well done, Ed! There is a way to "see it" ...
22. ## Mining Gold

A different approach ...

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