1 |
Which of the following is associative property w.r.to addition: |
- A. a + b = b + a
- B. a (bc) = (ab) c
- C. a + (b + c) = (a + b) + c
- D. None of these
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2 |
∀ 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'
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3 |
A non-terminating, non-recurring decimal represents: |
- A. A natural number
- B. A rational number
- C. An Irrational number
- D. Prime number
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4 |
In Z = a + bi, a is called ______ part of Z. |
- A. Real
- B. Imaginary
- C. Whole
- D. None
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5 |
Identify the property used in x > y Or x = y Or x < y: |
- A. Symmetric
- B. Reflexive
- C. Irichotomy
- D. Transitive
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6 |
If then name of property used in statement: |
- A. Transtitive
- B. Multiplicative inverse
- C. Multiplicative identity
- D. None
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7 |
The conjugate of 6 + 5i. |
- A. -6 + 5i
- B. -6 - 5i
- C. 6 + 5i
- D. 6 - 5i
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8 |
Set of Rational numbers in set builder notation: |
- A.
- B.
- C.
- D. None of these
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9 |
Which of the following sets have the Closure Property w.r.t addition. |
- A. {0}
- B. {0, -1}
- C. {0,1}
- D.
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10 |
Every real number is also a complex number with imaginary part as ______ |
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