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Class 9MathematicsNumber SystemsIrrational numbersEasyLevel 18
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What type of number is the decimal (2.5050050005\ldots)?

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Answer and explanation

Correct answer: Irrational

It has no fixed repetition so it is irrational. Do not mistake a non-repeating pattern for a repeating one.

Related tags

Number-SystemsIrrational-NumbersEasy

Frequently asked questions

What is the correct answer to this question?

Irrational

Why is this the correct answer?

It has no fixed repetition so it is irrational. Do not mistake a non-repeating pattern for a repeating one.

Which subject and chapter does this question cover?

This is a Class 9 Mathematics question. Chapter: Number Systems. Topic: Irrational numbers.

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10 more MCQs
  1. 1If V = {x : x ∈ Z and x² < 5}, how many elements are in V?
  2. 2If V={x∈N: x is a perfect square less than 25 and x≠1}, what is V?
  3. 3If B={x∈W: 2x+1≤9}, what is B?
  4. 4Choose the correct statement about \(\sqrt{7}\).
  5. 5What is the simplest form of \(\sqrt{50}\)?
  6. 6If the decimal number 1.414213... is non-terminating and non-repeating, what type of number is it?
  7. 7Which of \(\frac{3}{2}\) and \(\sqrt{2}\) is greater?
  8. 8Which option contains a pair consisting of one rational and one irrational real number?
  9. 9If 0.1010010001... has no repeating pattern, what is it?
  10. 10Which of the following is an irrational real number?
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