The number of combinations that can be deduced from the fraction is 16.
From the information given, the sizes of his ads are 1/2, 1/4,1/8, 1/16 of a page.
Therefore, to find the highest combination, one has to find the lowest common multiple of the numbers. This will be:
2 = 2, 4, 6, 8, 10, 12, 14, 16.
4 = 4, 8, 12, 16, 20
8 = 8, 16, 24
16 = 16, 32
Therefore, the combination is 16.
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