Question

For the given diagram what is A ∩ B and B ∩ C.

• A. {3} and {4}
• B. {3,4} and {4}
• C. {4} and {3,4}
• D. {1,3} and {8}

Answer 1

The correct option is B

{3,4} and {4}

From the diagram it is clear that the required intersection of A and B is the common numbers and which are 3 and 4 for B intersection C we have only number 4. So the required choice is B which gives A ∩ B and B ∩ C as {3,4} and {4} respectively.