UGC NET Computer Science December 2019 | Question 54

Question 54

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What are the greatest lower bound (GLB) and the least upper bound (LUB) of the sets A={3,9,12} and B={1,2,4,5,10} if they exist in poset (z⁺,/) ?

1. 1. A(GLB - 3, LUB - 36); B(GLB - 1, LUB - 20)
2. 2. A(GLB - 3, LUB - 12): B(GLB - 1, LUB - 10)
3. 3. A(GLB - 1, LUB - 36): B(GLB - 2, LUB - 20)
4. 4. A(GLB - 1, LUB - 12): B(GLB - 2, LUB - 10)

Answer 1

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UGC NET CS December 2019 - Q. 53	UGC NET CS December 2019 - Q. 55