Discrete Maths - Sets
47. A subset H of a group(G,*) is a group if
- Option : C
- Explanation :
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48. If A = {1, 2, 3} then relation S = {(1, 1), (2, 2)} is
- Option : C
- Explanation :
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49. Which of the following statements is true?
- Option : B
- Explanation :
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50. Let A = {1, 2, .....3 }
Define ~ by x ~ y ⇔ x divides y. Then ~ is
- Option : D
- Explanation :
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