| 1 |
A statement which is true for all possible values of the variables involved in it, is called a: |
- A. tautology
- B. conditional
- C. implication
- D. absurdity
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| 2 |
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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| 3 |
A groupoid (S) is called __________ if it is associative in S: |
- A. group
- B. abelian-group
- C. semi-group
- D. associative-group
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| 4 |
The identity element in a group is: |
- A. unique
- B. inifinite
- C. both a and b
- D. not possible
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| 5 |
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- A. A and B are power sets
- B. A and B are disjoint sets
- C. A and B are super sets
- D. A and B are equal sets
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| 6 |
{2, 4, 6, 8, ...........} represents the set of: |
- A. positive odd numbers
- B. natural numbers
- C. prime numbers
- D. positive even numbers
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| 7 |
If n(S) = 3 then n {P(S)} = |
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| 8 |
The disjunction of two statements p and q is denoted by: |
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| 9 |
If two sets have no element common, they are called: |
- A. disjoint
- B. over lapping
- C. dissimilar
- D. exhaustive
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| 10 |
B - A is a subset of: |
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