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If A = {1, 3, 9, 10, 21), B= {4, 6, 8, 1...

If A = {1, 3, 9, 10, 21), B= {4, 6, 8, 10} and C = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, then the value of `A cap (B cap C)` is

A

{8, 10}

B

{10}

C

None of these

D

{2, 10}

Text Solution

AI Generated Solution

The correct Answer is:
To solve the problem, we need to find the value of \( A \cap (B \cap C) \). **Step 1: Identify the sets.** - \( A = \{1, 3, 9, 10, 21\} \) - \( B = \{4, 6, 8, 10\} \) - \( C = \{1, 2, 3, 4, 5, 6, 7, 8, 9, 10\} \) **Step 2: Find \( B \cap C \).** To find the intersection \( B \cap C \), we look for elements that are common to both sets \( B \) and \( C \). - Elements of \( B \): \( 4, 6, 8, 10 \) - Elements of \( C \): \( 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 \) Now, we check for common elements: - \( 4 \) is in both \( B \) and \( C \) - \( 6 \) is in both \( B \) and \( C \) - \( 8 \) is in both \( B \) and \( C \) - \( 10 \) is in both \( B \) and \( C \) Thus, \( B \cap C = \{4, 6, 8, 10\} \). **Step 3: Find \( A \cap (B \cap C) \).** Now we need to find the intersection of set \( A \) with the result from step 2. - Elements of \( A \): \( 1, 3, 9, 10, 21 \) - Elements of \( B \cap C \): \( 4, 6, 8, 10 \) Now, we check for common elements: - \( 10 \) is in both \( A \) and \( B \cap C \) Thus, \( A \cap (B \cap C) = \{10\} \). **Final Answer:** The value of \( A \cap (B \cap C) \) is \( \{10\} \). ---
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Knowledge Check

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