Question

Which of the following are the examples of an empty set?
1. The set of even natural numbers divisible by 3.
2. The set of all prime numbers divisible by 2.
3. {x : x ∈ N, 5 < x < 6}
4. The set of odd natural numbers divisible by 2.
5. P = {x : x is a prime number, 54 < x < 58}
6. Q = {x : x = 2n + 3, n ∈ W, n ≤ 5}

Answer 1

Answer:

answer is 4

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