There are 7 children. You are told that the youngest child is a boy. The…

PYQ TCS NQT 2026

There are 7 children. You are told that the youngest child is a boy. The probability that all of them are boys is 1 in

  1. A.

    64

  2. B.

    21

  3. C.

    42

  4. D.

    128

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