A and B are two sets having 3 and 5 elements respectively and hav… - Vidyadip

MCQ

A and B are two sets having 3 and 5 elements respectively and having 2 elements in common. Then the number of elements in A × B is:

A
6
B
36
C
15
D
None of these

✓

Answer

15

Solution:

Total ordered pairs =n(A) × n(B) = 3 × 5 = 15.

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