A= {x : x, 24 এর সকল গুনণীয়ক সমূহ} এবং B = {x : x, 3 এর গুণিতক এবং x ≤ 24} হলে, A - B = ?

A {3, 6, 12, 24}

B {1, 2, 4, 8}

C {9, 15, 18, 21}

D {4, 5, 6}

Solution

Correct Answer: Option B

A = {1, 2, 3, 4, 6, 8, 12, 24}
B=(3, 6, 9, 12, 15, 18, 21, 24}
∴ A/B = {1, 2, 4, 8}

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