MHT CET 2022 Mathematics question
A family with three children is chosen at random. The probability that the oldest and youngest children are of the same gender is
Answer: (B)
Solution
The sample space of genders (oldest, middle, youngest) has equally likely outcomes. Favourable outcomes: oldest and youngest both boys (BBB, BGB) or both girls (GBG, GGG), i.e. 4 outcomes (the middle child
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