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Maths Puzzle
Numerical Ability
5xsquare-3xy-2ysquare=0,0.5x+2y=6
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Theo made an elaborate code to remember the 10-digit combination to his bicycle lock. This is the code he came up with:
A-K-B-J-C-H-D-G-E-F
Each let
(2m-7)^2-8(2m-7)+12=0