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Class 10MathematicsReal NumbersIrrational numbersEasyLevel 13
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What type of number is (2\sqrt{3})?

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Answer and explanation

Correct answer: Irrational number

Step 1: (\sqrt{3}) is irrational. Step 2: (2) is a non-zero rational number, so (2\sqrt{3}) remains irrational. Step 3: Do not call a radical rational just because it has a coefficient outside.

Related tags

Real-NumbersIrrational-NumberCoefficient

Frequently asked questions

What is the correct answer to this question?

Irrational number

Why is this the correct answer?

Step 1: (\sqrt{3}) is irrational. Step 2: (2) is a non-zero rational number, so (2\sqrt{3}) remains irrational. Step 3: Do not call a radical rational just because it has a coefficient outside.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Irrational numbers.

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10 more MCQs
  1. 1Which of the following numbers is irrational?
  2. 2Which of the following numbers is rational?
  3. 3What type of number is (\sqrt{16})?
  4. 4Which statement about (\sqrt{10}) is correct?
  5. 5Which of the following is an example of an irrational number?
  6. 6Which decimal form represents an irrational number?
  7. 7What type of number is (0.3333\ldots)?
  8. 8Which statement is correct about (0.101001000100001\ldots)?
  9. 9If (a) is a non-zero rational number and (b) is an irrational number, what type of number is (ab) generally?
  10. 10What type of number is (\sqrt{2}+3)?
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