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