| 1 |
The set of all rational numbers between 2, 3 is: |
- A. an empty set
- B. an infinite set
- C. a finite set
- D. a power set
|
| 2 |
Conjugate of complex number (-a, -b) is: |
- A. (-a, b)
- B. (-a, -b)
- C. (a, -b)
- D. none of these
|
| 3 |
Conjugate of -3 -2 i is: |
- A. 3 + 2i
- B. -3 + 2i
- C. 2 + 3i
- D. -2 + 3i
|
| 4 |
|
- A. rational number
- B. irrational number
- C. natural number
- D. whole number
|
| 5 |
Modulus of 15 i + 20 is: |
- A. 20
- B. 15
- C. 25
- D. none of the above
|
| 6 |
|
- A. integer
- B. rationalnumber
- C. irrationalnumber
- D. naturalnumber
|
| 7 |
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
|
| 8 |
Factors of x<sup>2</sup> + y<sup>2</sup> are: |
- A. (x + iy) (x - iy)
- B. (x + y) (x - y)
- C. (x + y) (x + y)
- D. none
|
| 9 |
|
- A. cancellation property w.r.t multiplication
- B. cancellationproperty w.r.t addition
- C. multiplicativeproperty
- D. additiveproperty
|
| 10 |
|
- A. integer
- B. rational number
- C. irrational number
- D. natural number
|