1 |
If Z<sub>1</sub> = a + bi and Z<sub>2</sub> = c + di then Z<sub>1</sub>.Z<sub>2</sub> = |
- A. ac + bdi
- B. ac - bd
- C. ac - bd + adi + bci
- D. multiplication is not possible
|
2 |
A non-terminating, non-recurring decimal represents: |
- A. A natural number
- B. A rational number
- C. An Irrational number
- D. Prime number
|
3 |
In Z = a + bi, a is called ______ part of Z. |
- A. Real
- B. Imaginary
- C. Whole
- D. None
|
4 |
The real numbers are represented geometrically by points on _________, |
- A. Plane
- B. Line
- C. Space
- D. None
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5 |
If Z < 0 then x < y<span style="font-size: 18pt;">→</span><p class="MsoNormal"><span style="font-size:18.0pt;mso-bidi-font-size:28.0pt;line-height:107%;mso-fareast-font-family:
"Times New Roman";mso-fareast-theme-font:minor-fareast"><o:p></o:p></span></p> |
- A. xz < yz
- B. xz > yz
- C. xz = yz
- D. None of these
|
6 |
If a, b<span style="color: rgb(34, 34, 34); font-family: "times new roman"; font-size: 25.6px; text-align: center; background-color: rgb(255, 255, 224);">∈</span>R then only one oaf a = b or a<b or a>b holds is called: |
- A. Trichotomy Property
- B. Transitive Property
- C. Additive Property
- D. Multiplicative Property
|
7 |
Set of Real numbers = |
- A. Q
- B. Q'
- C. Q<span style="font-size:11.0pt;mso-bidi-font-size:28.0pt;
line-height:107%;font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:"Times New Roman";mso-fareast-theme-font:minor-fareast;
mso-hansi-theme-font:minor-latin;mso-bidi-theme-font:minor-latin;mso-ansi-language:
EN-US;mso-fareast-language:EN-US;mso-bidi-language:AR-SA">Ⴖ</span>Q'
- D. QUQ'
|
8 |
∀ a,b∈ R, a + b = b + a is _____________ Property of real numbers. |
- A. Closure property w.r.to '+'
- B. Closure property w.r.to 'x'
- C. Commutative property '+'
- D. Commutative property w.r.to 'x'
|
9 |
is called: |
- A. Natural number
- B. Whole number
- C. integers
- D. Rational numbers
|
10 |
Which of the following is closure property w.r.to multiplications: |
- A. a + b∈ R∀ a, b∈ R
- B. a. b∈ R∀ a, b∈ R
- C. a + b = b + a∀a,b∈ R
- D. a.b = b.a∀a,b∈ R
|