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 $A \times B$ is:

A
$6$
B
$36$
✓
$15$
D
None of these

✓

Answer

Correct option: C.

$15$

Total ordered pairs $=n(A) \times n(B) = 3 \times 5 = 15.$

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