Question

8. If n((A x B) n (AXC)) = 8 and n(BNC) = 2, then n(A) is
(1) 6
(2) 4
(3) 8
9. If n(A) = 2 and n(BUC) = 3, then n[(A x B) U (A x C)) is
(1) 23
(2) 32
(3) 6
10. If two sets A and B have 17 elements in common, then the
set A x B and B X A is
(1) 217
(2) 172
(3) 34
11. For non-empty sets A and B, if A C B then (A x B) n (B
(1) AnB
(2) AXA
(3) B x B
1. The number of relations on a set containing 3 elements is
(1) 9
(2) 81
(3) 512​

Answer 1

Answer:

9.

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