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