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The Free IQ Test
Fast, Free & Accurate Online IQ Test
IQ Test Scale
What is IQ?
Some Genius IQs
High IQ Societies
History of IQ
Brain Teasers
Practice IQ Questions
IQ Articles
Difficulty Level:
Medium
Stats: 2,755 / 5,568 ( 49.48% ) got this right
What is the probability of flipping a coin and getting 5 tails in a row?
50%
25%
12.5%
6.25%
3.125%
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