| 1 |
S = {1, -1, 2, -2} is a group under: |
- A. multiplication
- B. subtraction
- C. addition
- D. none of these
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| 2 |
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| 3 |
{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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| 4 |
A set is defined as: |
- A. collection of some objects
- B. well defined collection of some objects
- C. well defined collection of distinct objects
- D. none of these
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| 5 |
If W = {0, 1, 2, 3, 4, ........}, N = {1, 2, 3, 4 ...........} then N - W = ? |
- A. W
- B. {0}
- C.
- D. none of these
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| 6 |
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| 7 |
Truth table containing all the values true is called: |
- A. absurdity
- B. conjunction
- C. tautology
- D. none
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| 8 |
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| 9 |
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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| 10 |
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