| 1 |
A groupoid (S) is called __________ if it is associative in S: |
- A. group
- B. abelian-group
- C. semi-group
- D. associative-group
|
| 2 |
|
- A. p is false and q is true
- B. both p and q are false
- C. p is true and q is false
- D. both p and q are true
|
| 3 |
The objects in a set are called: |
- A. elements
- B. sub-sets
- C. whole numbers
- D. overlapping sets
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| 4 |
If two sets have no element common, they are called: |
- A. disjoint
- B. over lapping
- C. dissimilar
- D. exhaustive
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| 5 |
|
- A. {1, 2, 3}
- B. {5, 6, 7}
- C. {4}
- D.
|
| 6 |
If (x - 2, 2) = (3, 2), then: |
- A. x = 5
- B. x = 2
- C. x = -5
- D. x = 3
|
| 7 |
S = {1, -1, 2, -2} is a group under: |
- A. multiplication
- B. subtraction
- C. addition
- D. none of these
|
| 8 |
The identity element in a group is: |
- A. unique
- B. inifinite
- C. both a and b
- D. not possible
|
| 9 |
|
- A. equal sets
- B. null sets
- C. overlapping sets
- D. subsets
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| 10 |
If A = {1, 2, 7, 9}, B = {1, 4, 7, 11}: |
- A. disjoints sets
- B. equal sets
- C. overlapping sets
- D. complementary sets
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