Hard Number Series Puzzle

What number comes next in the series?

5 15 5 18 5 24 14 20 _




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Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

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In the following series, a set of numbers is progressing with a particular pattern. Can you deduce that pattern and find the missing set?

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You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
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Amazing Facts

Out of the Box

The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.