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Q33 / 60 · NEST (NISER) 2020 (Session 2) · Mathematics

Q13 / 18 · NEST (NISER) 2020 (Session 2) · Mathematics · Permutation Combination · Combination

Let $n$ be a randomly chosen integer from the set $\{100,101, \cdots, 999\}$. The probability that the sum of the digits of $n$ is equal to 24 is

  • A
    $\frac{11}{89}$
  • Correct answer
    B
    $\frac{1}{90}$
  • C
    $\frac{3}{89}$
  • D
    $\frac{1}{87}$

Hence, the correct answer is option: 'B'.

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