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Probability · 2025 · 7 Apr · Shift 2

2 Mathematics questions from this JEE Main paper
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Probability · 2025 · 7 Apr · Shift 2

2 Mathematics questions from this JEE Main paper

  1. Q30.A bag contains 19 unbiased coins and one coin with head on both sides. One coin drawn at random is tossed and head turns up. If the probability that the drawn coin was unbiased, is nm​, gcd(m,n)=1, then n2−m2 is equal…
    Mathematics · Probability · MCQ
  2. Q43.Let a random variable X take values 0, 1, 2, 3 with P(X=0)=P(X=1)=p, P(X=2)=P(X=3) and E(X2)=2E(X). Then the value of 8p−1 is :
    Mathematics · Probability · MCQ