Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 10th
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Multiple Choice Question : If n(A × B) = 6 and A = {1, 3} then n(B) is ________ - Mathematics

MCQ

Multiple Choice Question :

If n(A × B) = 6 and A = {1, 3} then n(B) is ________

Options

  • 1

  • 2

  • 3

  • 6

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Solution

3

Explanation;

n(A × B) = 6

n(A) = 2

n(A × B) = n(A) × n(B)

6 = 2 × n(B)

n(B) = `6/2` = 3

  Is there an error in this question or solution?
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APPEARS IN

Samacheer Kalvi Mathematics Class 10 SSLC Tamil Nadu State Board
Chapter 1 Relations and Functions
Exercise 1.6 | Q 1 | Page 32
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