Question # 1

Conjugate of complex number (-a, -b) is:

Choose an answer

(-a, b)

(-a, -b)

(a, -b)

none of these

The real part of the complex number a + bi is:

Choose an answer

b

-b

a

-a

Which of the following is correct:

Choose an answer

2 + 7i > 10 + i

1 + i > 1 - i

4 + 3i > 1 + 3i

none of these

If z₁ = 4i and z₂ = 3 - 9i, then z₁ + z₂ =

Choose an answer

3 - 5i

3i - 5

7 - 9i

3 + 5i

Choose an answer

closureproperty

associativeproperty

commutativeproperty

trichotomyproperty

The set of negative integers is closed with respect to:

Choose an answer

addition

multiplication

both (a) and (b)

subtraction

Irrational numbers are:

Choose an answer

terminating decimals

non-terminating decimals

non-terminating, repeating decimals

non-terminating, non repeating

Choose an answer

Reflexive property

Symmetricproperty

Transitiveproperty

Trichotomyproperty

Conjugate of a + i b is:

Choose an answer

-a + ib

a + ib

-a - ib

a - ib

Choose an answer

rational number

irrational number

natural number

whole number

Choose an answer

integer

rational number

irrational number

natural number

Choose an answer

i

0

Choose an answer

closure property w.r.t multiplication

commutativeproperty w.r.t multiplication

associativeproperty w.r.t multiplication

trichotomy property

If z = x + i y = r (cos Θ + i sin Θ), then arg z is:

Choose an answer

tan Θ

cos²Θ + sin²Θ

r

Θ

Choose an answer

additive property

multiplicative inverseproperty

transitive property

negative property

The additive inverse of a real number is a:

Choose an answer

0

-a

a

The imaginary part of the complex number a + bi is:

Choose an answer

a

b

bi

none of these

Choose an answer

z is purely real

z is any complex number

z is purely imaginary

real part of z = imaginary part of z

Choose an answer

a + c = b + d

a + b = c + d

a - b = c - d

None of these

Choose an answer

real numbers

complexnumbers

primenumbers

oddnumbers

More Classes

Other Links

11th Class ICS Mathematics Chapter 1 Test Online MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer