Hard Number Series Puzzle

What number comes next in the series?

5 15 5 18 5 24 14 20 _




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= 10 cent x 10 cent
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= 1/100 dollar
= 1 cent

=> 1 dollar = 1 cent

solve this tricky problem?

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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.