RE: Brain Teaser :: Can You Complete The Pyramid?

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The sum of the bottom line is 11= 1+3+5+2
The sum of the line above is 13=2+4+7
The sum of the line above is 15=9+6
So there is a progression of +2 upwards, so the number of the first line is 17.
!Gif !LOLZ
!PIZZA



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