Class 9 Courses

Chapter 17: Class 9 Math Exam Tests

Class 9 Math MCQs - Chapter 17

Real and Complex Numbers Trivia Questions and Answers PDF - 4

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Real and Complex Numbers Questions & Answers PDF Download: MCQ Quiz 4

MCQ 16:

In z = a + bι, if i is replaced by −ι, then another complex number obtained is said to b

  1. additive inverse of z
  2. prime factor of z
  3. Complex conjugate of z
  4. multiplicative inverse of z
MCQ 17:

The set of whole numbers is denoted by

  1. O
  2. N
  3. W
  4. P
MCQ 18:

As per properties of real numbers with respect to addition, a + b ∈ R and ∀ a, b ∈ R is

  1. associative property
  2. commutative property
  3. closure property
  4. additive inverse
MCQ 19:

Set of integers is denoted by

  1. N
  2. W
  3. A
  4. Z
MCQ 20:

√−1, √−5 are said to be

  1. pure imaginary numbers
  2. non-imaginary numbers
  3. recurring decimal numbers
  4. finite numbers

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Real and Complex Numbers App (Android & iOS)

Real and Complex Numbers App (Android & iOS)

9th Grade Math App (Android & iOS)

9th Grade Math App (iOS & Android)

10th Grade Math App (Android & iOS)

10th Grade Math App (Android & iOS)

8th Grade Math App (Android & iOS)

8th Grade Math App (iOS & Android)