| 1 |
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| 2 |
The identity element with respect to addition is: |
- A. 0
- B. 1
- C. -1
- D. 0 and 1
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| 3 |
i<sup>2</sup> + 1 = |
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| 4 |
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- A. closure property w.r.t multiplication
- B. commutativeproperty w.r.t multiplication
- C. associativeproperty w.r.t multiplication
- D. trichotomy property
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| 5 |
The imaginary part of the complex number a + bi is: |
- A. a
- B. b
- C. bi
- D. none of these
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| 6 |
The multiplicative invers of a non-zero real number a is: |
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| 7 |
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- A. integer
- B. rational number
- C. irrational number
- D. natural number
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| 8 |
Conjugate of -3 -2 i is: |
- A. 3 + 2i
- B. -3 + 2i
- C. 2 + 3i
- D. -2 + 3i
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| 9 |
Which of the following is correct: |
- A. 2 + 7i > 10 + i
- B. 1 + i > 1 - i
- C. 4 + 3i > 1 + 3i
- D. none of these
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| 10 |
Zero is: |
- A. a natural number
- B. a whole number
- C. a positive integer
- D. a negativeinteger
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