P = {x : x, 2 এর গুণিতক এবং x ≤ 8} এবং Q = {x : x, 4 এর গুনিতক এবং x ≤ 12} হলে, P ∩ Q =?

A    { }

B    {4}

C    {4, 8}

D    {8}

Solution

Correct Answer: Option C

 

 P = {x : x, 2 এর গুণিতক এবং x ≤ 8}

                                                = {2, 4, 6, 8}

এবং, Q = {x : x, 4 এর গুনিতক এবং x ≤ 12}

               = {4, 8, 12}

∴ P ∩ Q = {2, 4, 6, 8} ∩ {4, 8, 12} = {4, 8}

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