Brain Teasers
What's Your Number?
Start with a number larger than 0, square it, add 4, double it, take away 3, multiply times 4 and finally subtract the original number. If you were now left with 20, what number did you start with?
Hint
It's between 0 and 5.Answer
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Comments
Me newest teaser.
HARDNESS!!
That was actually quite easy. Fun too.
EEEESH...... didn't get this one, but I had fun trying! Nice one TRILL!!!!!!!
Feb 08, 2008
what was that??? if it was supposed to equal 20 in the end, it didn't work
In my book, cart-before-the-horse awkwardness does not make a math exercise into a brain teaser.
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