IMAT Natural numbers, integers and sets questions

Sample questions

1. 1IMAT Doutor

   What is the product of the LCM and the GCD of two positive integers?
   1. AThe sum of the two integers
   2. BThe difference of the two integers
   3. CThe larger of the two integers
   4. DAlways a prime number, whatever the integers
   5. EThe product of the two integers
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2. 2IMAT 2025 Q50

   What does the Cartesian product of a set A and a set B correspond to?
   1. AThe set consisting of the products of corresponding numerical elements of A and B
   2. BThe representation of the intersection set of A and B
   3. CThe representation of the difference set of A and B
   4. DThe set of all possible ordered pairs having as the first component an element of A and as the second component an element of B
   5. EThe representation of the union set of A and B
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