HardMath and Logic
Family has 2 kids, one is a boy. Probability the other is a girl?
Riddle
Family has 2 kids, one is a boy. Probability the other is a girl?
Choose an answer
A.1/2
B.1/4
C.1/3
D.2026-02-03
Hint: It's a 2-word phrase with 0 letters, starting with "2".
Answer
2026-02-03
Why this is the answer
The possibilities for two children are {BB, BG, GB, GG}. Knowing one is a boy eliminates GG. The remaining set is {BB, BG, GB}. Two of these have a girl: {BG, GB}.
This riddle is filed under Expert Riddles for Adults and rated Hard.
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