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P and Q are two non-empty sets. Given: n(P) = 12, n(Q) = 6 and n (P U Q) = 10. Then n (P ∩ Q) is

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Question:

P and Q are two non-empty sets. Given: n(P) = 12, n(Q) = 6 and n (P U Q) = 10. Then n (P ∩ Q) is

A.

8

B.

9

C.

7

Answer» a. 8

Note: The above multiple-choice question is for all general and Competitive Exams in India.