| 1 |
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- A. a + c = b + d
- B. a + b = c + d
- C. a - b = c - d
- D. None of these
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| 2 |
π, e are: |
- A. integers
- B. natural numbers
- C. rationalnumbers
- D. irrationalnumbers
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| 3 |
Rational numbers are: |
- A. repeating decimals
- B. terminatingdecimals
- C. periodicdecimals
- D. all of these
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| 4 |
|
- A.
- B. archimedean property
- C. transitive property
- D. multiplicative property
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| 5 |
Modulus of 15 i + 20 is: |
- A. 20
- B. 15
- C. 25
- D. none of the above
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| 6 |
Conjugate of -3 -2 i is: |
- A. 3 + 2i
- B. -3 + 2i
- C. 2 + 3i
- D. -2 + 3i
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| 7 |
|
- A. Additive property
- B. Multiplicativeproperty
- C. Reflexiveproperty
- D. Transitive property
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| 8 |
Product of a complex number and its conjugate is: |
- A. a real number
- B. irrationalnumber
- C. a complexnumber
- D. either real number or complexnumber
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| 9 |
The imaginary part of the complex number a + bi is: |
- A. a
- B. b
- C. bi
- D. none of these
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| 10 |
Division of a natural number by another natural number gives: |
- A. always a natural number
- B. always an integer
- C. always a rationalnumber
- D. always an irrational number
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