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December 18, 2014

December 18, 2014

Posted by **manny** on Monday, August 20, 2007 at 8:38pm.

what number am i?

This is best posted in the riddle section.

http://www.jiskha.com/net_riddle/

i think i have posted it but i can't see it on the site

???

3426

let the number be abcd

given:

d=2a

d=c-1 ------>c=d+1

b=c-a

a<6 and odd, so a = 1,3,or5

no two digits are the same

rule out a=5 because then d=10, not possible

let a=1, then

d=2

c=3

b=2, but that would be two digits the same

let a=3, then d=6

c=7

b=4

the number is 3476

thanks

3476 makes sense!

- A fun one-math -
**Anonymous**, Friday, August 24, 2007 at 2:08am3476

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