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Two sets of three elements give how many pairs?

AThree
BNine
CSeven
DEight
Answer & Solution
Correct answer: B. Nine
1. Every first element pairs with every second. 2. Three choices times three choices. 3. There will be 9 such pairs in the Cartesian product. 4. So the answer is nine. _Source: syllabus Mathematics, Ch 2 'Relations and Functions'_
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