1 |
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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2 |
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- A. real numbers
- B. complexnumbers
- C. primenumbers
- D. oddnumbers
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3 |
The multiplicative invers of a non-zero real number a is: |
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4 |
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5 |
Irrational numbers are: |
- A. terminating decimals
- B. non-terminating decimals
- C. non-terminating, repeating decimals
- D. non-terminating, non repeating
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6 |
Conjugate of a + i b is: |
- A. -a + ib
- B. a + ib
- C. -a - ib
- D. a - ib
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7 |
π is defined as: |
- A. ration of diameter of a circle to its circumference
- B. ration of the circumference of a circle to its diameter
- C. ration of area of a circle to its circumference
- D. ration of the circumference of a circle to its area
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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 |
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10 |
The real part of the complex number a + bi is: |
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