MCQMediumJEE Main 2023 · 31 January, Shift 1Conditional Probability & Bayes Theorem

Mathematics Question from JEE Main 2023 · 31 January, Shift 1

A bag contains 66 balls. Two balls are drawn from it at random and both are found to be black. The probability that the bag contains at least 55 black balls is:

  • A

    57\frac{5}{7}

  • B

    27\frac{2}{7}

  • C

    37\frac{3}{7}

  • D

    56\frac{5}{6}

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