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The Million

Math brain teasers require computations to solve.


Puzzle ID:#49415
Fun:*** (2.45)
Difficulty:*** (2.33)
Submitted By:Faith511*lk*****!
Corrected By:Amaranthine




It's greater than one million but less than ten million.
It's an even number.
None of the digits are less than three.
No digit is used more than once.
The sum of the digits in the ones period is twelve.
The digit in the ten thousands place is equal to the sum of the digits in the tens and hundreds places.
The digit in the millions place is two more than the digit in the thousands place.
The digit in the hundred thousands place is twice the digit in the tens place.
What is the mystery number?

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Apr 20, 2012

Please explain "The sum of the digits in the ones period is 12."
To my way of thinking the answer, given the number, is 4.
Terminology seems to have changed a great deal since I was at skule(!)
Jun 08, 2012

i too m waitin 4 an xplanation for"sum of digits in one's period"...ny1 plzzz do da honours...
Jul 06, 2012

how is the ones place 12 though?
Nov 28, 2012

I'm thinking "the ones period" means the three least significant digits, i.e. the ones, tens and hundreds places.

But I've never heard that terminology before and I have a maths degree!

Once that was deciphered, the teaser was easy.

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