Sets 2

1 mark · Easy

Which of the following is the empty set?

A{x : x is an odd number divisible by 2}B{1, 3, 5}C{x : x < 5, x ∈ ℕ}D{a, b, c}

› Show answer

Correct option: {x : x is an odd number divisible by 2}

Common mistakes: Choosing a non-empty set

› Show mark scheme and worked solution

Marking points

B1 · 1 mark · Correct option chosen.

Worked solution

There are no odd numbers divisible by 2, so this set is empty.

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