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Probability · 2023 · 13 Apr · Shift 1

1 Mathematics questions from this JEE Main paper
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Probability · 2023 · 13 Apr · Shift 1

1 Mathematics questions from this JEE Main paper

  1. Q28.A coin is biased so that the head is 3 times as likely to occur as tail. This coin is tossed until a head or three tails occur. If X denotes the number of tosses of the coin, then the mean of X is :
    Mathematics · Probability · MCQ