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CAT 1991 — QA Question 21

Number TheoryEasy

The number of integers n satisfying –n + 2 ≥ 0 and 2n ≥ 4 is

Answer & solution

Correct answer: 1

  • A

    0

  • 1

  • C

    2

  • D

    3

Solution

The two equations can be simplified into n ≤ 2 and n ≥ 2.

The only value that satisfies both these conditions is n = 2.

Hence, option (b).

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CAT 1991 QA Q21: The number of integers n satisfying –n + 2 ≥ 0 and 2n ≥ 4 is — Solution | TheCATExam