The correct answer is B. A × B = {(2, 7), (2, 8), (2, 9), (4, 7), (4, 8), (4, 9), (5, 7), (5, 8), (5, 9)} n(A × B) = n(A) . n(B) = 3 × 3 = 9.

If then is equal to

Maths Set Theory and Relations Set Theory Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 12, 2026

If then is equal to

Text Solution

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The correct answer is:

A × B = {(2, 7), (2, 8), (2, 9), (4, 7), (4, 8), (4, 9), (5, 7), (5, 8), (5, 9)}

n(A × B) = n(A) . n(B) = 3 × 3 = 9.

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