Class 9 Mathematics - Number Systems - Irrational numbers Easy Quiz

Mathematics Number Systems Irrational numbers Easy Class 9 Level 13

Level 13 • 3/50 questions • 40 seconds per question.

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Question 1/3 Easy Mathematics Number Systems Decimal representation Class 9 Level 13

भिन्न \(\frac{1}{4}\) का दशमलव रूप क्या है?

What is the decimal form of the fraction \(\frac{1}{4}\)?

Explanation opens after your attempt
Correct Answer

B. (0.25)

Step 1

Concept

\(\frac{1}{4}=0.25\) because \(1\div4=0.25\). Exam tip: remember decimals of simple fractions.

Step 2

Why this answer is correct

The correct answer is B. (0.25). \(\frac{1}{4}=0.25\) because \(1\div4=0.25\). Exam tip: remember decimals of simple fractions.

Step 3

Exam Tip

\(\frac{1}{4}=0.25\) क्योंकि \(1\div4=0.25\)। परीक्षा में सरल भिन्नों के दशमलव याद रखें।

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Question 2/3 Easy Mathematics Number Systems Decimal representation Class 9 Level 13

कौन-सा दशमलव असांत आवर्ती है?

Which decimal is non-terminating recurring?

Explanation opens after your attempt
Correct Answer

A. \(0.777\ldots\)

Step 1

Concept

In \(0.777\ldots\), (7) repeats so it is non-terminating recurring. Exam tip: identify the repeating digit or group.

Step 2

Why this answer is correct

The correct answer is A. \(0.777\ldots\). In \(0.777\ldots\), (7) repeats so it is non-terminating recurring. Exam tip: identify the repeating digit or group.

Step 3

Exam Tip

\(0.777\ldots\) में (7) बार-बार आता है इसलिए यह असांत आवर्ती है। परीक्षा में दोहराने वाला अंक या समूह पहचानें।

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Question 3/3 Easy Mathematics Number Systems Decimal representation Class 9 Level 13

कौन-सा दशमलव असांत अनावर्ती है?

Which decimal is non-terminating non-recurring?

Explanation opens after your attempt
Correct Answer

C. \(0.1234567891011\ldots\)

Step 1

Concept

In \(0.1234567891011\ldots\), no fixed repeating group is seen. Exam tip: such a decimal can be of irrational type.

Step 2

Why this answer is correct

The correct answer is C. \(0.1234567891011\ldots\). In \(0.1234567891011\ldots\), no fixed repeating group is seen. Exam tip: such a decimal can be of irrational type.

Step 3

Exam Tip

\(0.1234567891011\ldots\) में कोई स्थिर आवर्ती समूह नहीं दिखता। परीक्षा में ऐसा दशमलव अपरिमेय प्रकार का हो सकता है।

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