Question

Let A={1,2,3,4} and B={natural numbers less than 5}. Then:

Options

• A and B are disjoint sets

• A and B are equal sets

• A and B are equivalent but not equal

• A is empty, B is finite

Answer 1

A and B are equal sets

Explanation:

Both sets contain exactly the same elements {1,2,3,4}, so they are equal sets.