THE number 1 to 12 are to be grouped into 3 groups of 4 numbers each. The numbers in each group are summed up.
How many smallest sums can there be if it is different from the other 2 sums in that grouping?
*show working and explanation PLS (Nod)
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THE number 1 to 12 are to be grouped into 3 groups of 4 numbers each. The numbers in each group are summed up.
How many smallest sums can there be if it is different from the other 2 sums in that grouping?
*show working and explanation PLS (Nod)