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Subject - Mathematics:

Number System

MCQ - 477-9209

Question:

x = i 2 3

Which of the following describes the type of x?

  1. x is real, rational
  2. x is real, irrational
  3. None of these options describe x.
  4. x is real, irrational
  5. x is imaginary, irrational

Correct Answer: B

Explanation:

An irrational number is a number that cannot be written in fraction form. In other words a nonrepeating decimal is an irrational number.

The 3 is an irrational number.

i 2 is a real number with a value of −1.

Therefore, x = 3 . This is a real but irrational number.

Record Performance

504 MCQ for effective preparation of the test of Number System of Mathematics section.

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