CAT 2017 Slot 1 QA Q25 Permutations & Probability

Question 25 of the Quantitative Ability (QA) section, CAT 2017 Slot 1, with CAT's official answer.

The number of solutions (x, y, z) to the equation x – y – z = 25, where x, y, and z are positive integers such that x ≤ 40, y ≤ 12, and z ≤ 12 is
  1. A
    101
  2. B
    99
  3. C
    87
  4. D
    105

Answer: (B) 99 Permutations & Probability MCQ

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Same concept in other years

See every question on Integer solutions of x + y + z = n with lower or upper bounds.

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