Which group of four numbers, arranged in a square, has the largest total?
A  B  C  D  E  F  G  H  I  J  
1  8  1  5  3  5  2  4  8  5  6 
2  3  3  1  2  9  9  8  1  3  1 
3  9  9  2  9  10  5  3  7  10  9 
4  2  10  5  3  8  2  2  10  1  8 
5  4  2  4  9  2  7  9  4  2  4 
6  2  4  5  8  8  7  10  1  2  4 
Which group of four numbers, arranged in a square, has the smallest total?
Topics: Starter  Arithmetic  Mental Methods
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