Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 10th

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 ________

• 1

• 2

• 3

• 6

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?

APPEARS IN

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