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Probability · 2025 · 22 Jan · Shift 1

2 Mathematics questions from this JEE Main paper
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Probability · 2025 · 22 Jan · Shift 1

2 Mathematics questions from this JEE Main paper

  1. Q35.A coin is tossed three times. Let X denote the number of times a tail follows a head. If μ and σ2 denote the mean and variance of X, then the value of 64(μ+σ2) is:
    Mathematics · Probability · MCQ
  2. Q37.Two balls are selected at random one by one without replacement from a bag containing 4 white and 6 black balls. If the probability that the first selected ball is black, given that the second selected ball is also black, is nm​,…
    Mathematics · Probability · MCQ