Class 10 Math Chapter 1 Complex Numbers Test PDF is provided here for students preparing for their Class 10 Mathematics exams. This Complex Numbers Chapter 1 Test includes objective-type MCQs, short-answer questions, and subjective questions covering important concepts from Unit 1. Students can use this Class 10 Math Unit Wise Test for classroom practice, revision, and exam preparation.
Unit Wise Class Test
T-1
Unit 1: Complex Numbers
Time: 5 minutes
(Objective Type)
Total Marks: 5
1. Tick the correct answer.
(1 × 5 = 5)
(i)
i7 =
(ii)
1⁄i =
(iii)
Solutions of the equation
x2 + 1 = 0
is / are:
(iv)
i−3
(v)
2 − √−4 =
Unit Wise Class Test
T-1
Unit 1: Complex Numbers
Time: 35 minutes
(Subjective Type)
Total Marks: 20
2. Write short answers to the following questions:
(6 × 2 = 12)
(i)
Simplify:
i−25
(ii)
Write in terms of i, if
2⁄5
+
√−16⁄5
(iii)
Find the values of x and y, if
(2x + 5) + (y − 3)i = 1 + 2i
(iv)
Add (3 + 4i) and
(5 − 2i).
(v)
Write additive inverse for each complex number:
3 + 2i
(vi)
Find multiplicative inverse for each complex number:
4 + 5i
Note: Answer the following Questions.
(4 + 4 = 8)
3. Simplify:
1 + 2i
3 − i
(2 + i)
4. Simplify:
(5 + 2i) ÷ (6 − 3i)
