Interview Q&A / Aptitude
Aptitude interview questions
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- What is the next number in the series 2, 3, 5, 9, 17, ...?
33. The differences are 1, 2, 4, 8, which double each time, so the next difference is 16 and 17 + 16 = 33. Each term is also 2^n + 1, or double the previous term minus 1.
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