Medium
Near Impossible Riddles
19 XP

The Infinite Sum

17,205 solved 85% solve rate 15% fail rate
What is 1 + 1/2 + 1/4 + 1/8 + 1/16 + ... continuing forever?
Only 85% solve this correctly
17,205 attempts
Earn +19 XP for solving
Quick Answer & Explanation
Exactly 2. This is

The answer to this riddle is Exactly 2. This is. Difficulty: Medium · Solved by 17,205 puzzle lovers.

Exactly 2. This is a convergent geometric series with ratio 1/2.
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