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Discrete Mathematics · Quiz 1 · 19 Jul 2026 · May 2026 term

Discrete Mathematics Quiz 1 19 Jul 2026 — Question 13

Question 13

+3 marksOne or more correct options

Which of the following statements is/are true?

Select all that apply.

  1. A

    Every infinite set is uncountable

  2. B

    Union of two countable sets is countable

  3. C

    Intersection of two countable sets is countable

  4. D

    Set difference of two countable sets is countable

Show answer

Correct answers

  • B

    Union of two countable sets is countable

  • C

    Intersection of two countable sets is countable

  • D

    Set difference of two countable sets is countable

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Question 13 of 18 in the IIT Madras BS Discrete Mathematics (Discrete Mathematics) Quiz 1 paper sat on 19 Jul 2026, in the May 2026 term (Discrete Mathematics 16 Jul 26). It carries 3 marks.

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