Completing numerical sequences - Wonderlic

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Question

10, 15, 22.5, 33.75

What is the next number in the given sequence?

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Answer

The numbers in the given sequence increase in a uniform pattern, namely that half of the previous number is added to each successive number. Half of 33.75 is 16.88, added to 33.75 this gives us the correct answer: 50.63 (which was also the only answer that ended with the appropriate final decimal number.

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