I start at 2 and double my value each time, but every third step I add 1. What number do I reach after five steps?
Category: Math · Difficulty: expert
Hint: Track your progress step by step, noting when to add 1.
Answer
33
Explanation
The sequence is: 2, 4 (1st), 8 (2nd), 9 (3rd +1), 18 (4th), 19 (5th), 38 (6th), 39 (7th). After five steps, you get 33.
This is a expert math riddle — one of the harder riddles here. The answer is 33.
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