11. |
The number of binary operation on {1, 2, 3,..., n} is _____
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Answer:
Option (b) |
12. |
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Answer:
Option (c) |
13. |
For a ∗ b = a + b + 10 on Z, the identity is _____
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Answer:
Option (c) |
14. |
The number of commitative binary operations on {1, 2} is _____
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Answer:
Option (a) |
15. |
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Answer:
Option (a) |
16. |
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Answer:
Option (a) |
17. |
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Answer:
Option (b) |
18. |
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Answer:
Option (a) |
19. |
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Answer:
Option (a) |
20. |
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Answer:
Option (b) |