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  7  9  8  3  10  2  9  4  7 
2  10  5  3  3  1  7  6  5  5  1 
3  2  9  6  9  9  10  8  9  10  7 
4  8  8  6  8  9  7  7  7  8  4 
5  8  2  8  2  3  8  1  10  3  1 
6  3  10  1  8  8  1  5  4  2  9 
Which group of four numbers, arranged in a square, has the smallest total?
Topics: Starter  Arithmetic  Mental Methods
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