CombinatoricsDifficulty 2.0JuniorFind the answerUnited Kingdom
Carl counts in a curious way! He starts at 1, but then always misses out multiples of three and multiples of five. What number would Carl say last when he counts 15 items?
(A) 22 (B) 23 (C) 26 (D) 28 (E) 29
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