Wedding guests
Fifteen wedding guests could not agree on who would stand in the wedding photo. The groom suggested that all possible sets of wedding guests be made in the photographs.
Correct answer:
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Serge
I think the answer should be 2 exp 15, so 32,768. You can represent the possibilities if you have a binary string of 15 digits, where each digit corresponds to one guest, with a 1 for a guest on the picture, a 0 for a guest not in the picture.
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