MCQ
If the set A has p elements, B has q elements, then the number of elements in A × B is:
  • A
    p + q
  • B
    p + q + 1
  • pq
  • D
    $p^2$

Answer

Correct option: C.
pq
  1. pq
Solution:
n(A × B) = n(A) × n(B)
n(A × B) = p × q = pq

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free