If the set A has p elements, B has q elements, then the number of… - Vidyadip

MCQ

If the set $A$ has $p$ elements, $B$ has $q$ elements, then the number of elements in $A \times B$ is:

A
$p + q$
B
$p + q + 1$
✓
$pq$
D
$p2$

✓

Answer

Correct option: C.

$pq$

$n(A \times B) = n(A) \times n(B)$
$n(A \times B) = p \times q = pq$

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