| 1 |
Conjugate of a + i b is: |
- A. -a + ib
- B. a + ib
- C. -a - ib
- D. a - ib
|
| 2 |
Every real number is also a/an: |
- A. integer
- B. rational number
- C. irrationalnumber
- D. complexnumber
|
| 3 |
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
|
| 4 |
Modulus of 15 i + 20 is: |
- A. 20
- B. 15
- C. 25
- D. none of the above
|
| 5 |
Conjugate of complex number (-a, -b) is: |
- A. (-a, b)
- B. (-a, -b)
- C. (a, -b)
- D. none of these
|
| 6 |
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
|
| 7 |
|
- A. Reflexive property
- B. Symmetricproperty
- C. Transitiveproperty
- D. Trichotomyproperty
|
| 8 |
The multiplicative identity of real numbers is: |
|
| 9 |
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
|
| 10 |
|
- A. rationalnumber
- B. irrationalnumber
- C. naturalnumber
- D. wholenumber
|