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Class 10MathematicsReal NumbersIrrational numbersMediumLevel 13

Which of the following cannot be written in the form (\frac{p}{q}), where (p,q) are integers and (q\neq0)?

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Answer and explanation

Correct answer: (\sqrt{18})

Step 1: Terminating decimals and fractions are rational. Step 2: (\sqrt{18}=3\sqrt{2}), and (\sqrt{2}) is irrational. Step 3: Simplifying a square root often helps identify the number correctly.

Tags

real-numbersirrational-definitionmcq

Frequently asked questions

What is the correct answer to this question?

(\sqrt{18})

Why is this the correct answer?

Step 1: Terminating decimals and fractions are rational. Step 2: (\sqrt{18}=3\sqrt{2}), and (\sqrt{2}) is irrational. Step 3: Simplifying a square root often helps identify the number correctly.

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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