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Probability question

2025 · 22 Jan · Shift 1 · Q37
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  5. /2025 · 22 Jan · Shift 1 · Q37

Probability question

2025 · 22 Jan · Shift 1 · Q37

JEE MainMathematicsProbabilityMCQ+4 / −1
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 mn\frac{m}{n}nm​, where gcd⁡(m,n)=1\operatorname{gcd}(m, n)=1gcd(m,n)=1, then m+nm+nm+n is equal to :
  1. A
    4
  2. B
    14
  3. C
    11
  4. D
    13
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