Which group of four numbers, arranged in a square, has the largest total?
A  B  C  D  E  F  G  H  I  J  
1  4  5  1  5  2  1  4  5  3  4 
2  5  2  3  1  4  4  1  4  2  5 
3  1  3  3  5  2  5  3  2  3  5 
4  1  2  3  1  1  5  4  2  2  1 
5  4  5  1  4  2  1  5  3  5  5 
6  3  2  1  4  4  2  3  3  1  4 
Which group of four numbers, arranged in a square, has the smallest total?
Topics: Starter  Arithmetic  Mental Methods
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