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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: NCERT Class XI Mathematics, Ch 2 'Relations and Functions'_
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