Question

If T = {1, 2, 3, 4, 5} and M = {3, 4, 7, 8} then T ∪ M = ?

Options

• {1, 2, 3, 4, 5, 7}

• {1, 2, 3, 7, 8}

• {1, 2, 3, 4, 5, 7, 8} 

•  {3, 4}

Answer 1

{1, 2, 3, 4, 5, 7, 8} 

Explanation:

Since, T = {1, 2, 3, 4, 5} and M = {3, 4, 7, 8}

So, T ∪ M = {1, 2, 3, 4, 5, 7, 8}