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Basics of Complex Numbers

Total questions: 12

Worksheet time: 5mins

Name
Class
Date
1.

All real numbers are complex numbers

a)

True

b)

False

c)

Can't say

2.

Every complex number is real number

a)

True

b)

False

c)

Can't say

3.

Which is greater between 2 + 3i   and 3 + 2i

a)

2 + 3i

b)

3 + 2i

c)

Inequality doesn't hold

d)

Can't say

4.

Conjugate of 1 + i is...

a)

1 + i

b)

1 - i

c)

1

d)

i

5.

Every complex number is natural number

a)

True

b)

False

c)

Can't say

6.

The value of i12 is...

a)

i

b)

1

c)

-1

d)

-i

7.

The value of i33 is..

a)

i

b)

-i

c)

1

d)

-1

8.

2 + 5i  <<    4 - 3i

a)

True

b)

False

c)

Can't say

9.

The conjugate of 5 is...

a)

5

b)

-5

c)

0

d)

Can't say

10.

In 3 + 7i, the real part is...

a)

3

b)

7

c)

7i

d)

None of the above

11.

The imaginary part of 2 + 5i is...

a)

2

b)

5

c)

5i

d)

Can't say

12.

All integers are rational numbers

a)

True

b)

False

c)

Can't say