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UPSC NDA Math Model Paper 8
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© examsnet.com
Question : 60
Total: 120
If A = {2, 3}, B = {4, 5}, C = {5, 6}, then what is the number of elements in A × (B ∩ C)?
2
4
6
8
Validate
Solution:
Given, A = {2, 3}, B = {4, 5}, C = {5, 6}
⇒(B ∩ C) = {5}
A × (B ∩ C) = {(2, 5), (3, 5)}
⇒ The number of elements in A × (B ∩ C) = 2
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