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Class 10MathematicsReal NumbersIrrational numbersMediumLevel 15
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Which number lies between (\sqrt{15}) and (\sqrt{20})?

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Answer and explanation

Correct answer: (4)

Step 1: (\sqrt{15}\approx3.87) and (\sqrt{20}\approx4.47). Step 2: (4) lies between these two values. Step 3: Use approximate values or squaring to compare.

Related tags

Real-NumbersComparisonBetween-Roots

Frequently asked questions

What is the correct answer to this question?

(4)

Why is this the correct answer?

Step 1: (\sqrt{15}\approx3.87) and (\sqrt{20}\approx4.47). Step 2: (4) lies between these two values. Step 3: Use approximate values or squaring to compare.

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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