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3 results found for "irrational decimals" in Class 10.

Question Expert Mathematics Polynomials Irrational numbers and real numbers Class 10 Level 26

किस विकल्प में दशमलव प्रसार अनवसानी अनावर्ती होगा?

Which option will have a non-terminating non-recurring decimal expansion?

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Correct Answer

A. \(\sqrt{17}\)

Step 1

Concept

\(\sqrt{17}\) is irrational, so its decimal expansion is non-terminating non-recurring. In exams distinguish irrational decimals from recurring decimals.

Step 2

Why this answer is correct

The correct answer is A. \(\sqrt{17}\). \(\sqrt{17}\) is irrational, so its decimal expansion is non-terminating non-recurring. In exams distinguish irrational decimals from recurring decimals.

Step 3

Exam Tip

\(\sqrt{17}\) अपरिमेय है, इसलिए इसका दशमलव अनवसानी अनावर्ती होगा। परीक्षा में अपरिमेय और आवर्ती दशमलव में अंतर रखें।

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Question Medium Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 21

निम्न में से कौन-सा कथन गलत है?

Which of the following statements is incorrect?

Explanation opens after your attempt
Correct Answer

C. हर असमाप्त अनावर्ती दशमलव परिमेय होता हैEvery non-terminating non-recurring decimal is rational

Step 1

Concept

Terminating and non-terminating recurring decimals are rational.

Step 2

Why this answer is correct

A non-terminating non-recurring decimal is not rational; it is irrational.

Step 3

Exam Tip

Read the words recurring and non-recurring carefully in statement questions. चरण 1: समाप्त और असमाप्त आवर्ती दशमलव परिमेय होते हैं। चरण 2: असमाप्त अनावर्ती दशमलव परिमेय नहीं, बल्कि अपरिमेय होता है। चरण 3: कथनों में आवर्ती और अनावर्ती शब्दों को ध्यान से पढ़ें।

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Question Hard Mathematics Real Numbers 5: Irrational numbers Class 10 Level 15

किस विकल्प में दिया गया कथन गलत है?

Which given statement is false?

Explanation opens after your attempt
Correct Answer

C. हर असांत दशमलव अपरिमेय होता हैEvery non-terminating decimal is irrational

Step 1

Concept

A non-terminating decimal can also be recurring.

Step 2

Why this answer is correct

For example, \(0.\overline{6}\) is non-terminating but rational.

Step 3

Exam Tip

For irrational decimals, non-repetition is also necessary. चरण 1: असांत दशमलव आवर्ती भी हो सकता है। चरण 2: जैसे \(0.\overline{6}\) असांत है, फिर भी परिमेय है। चरण 3: अपरिमेय के लिए असांत के साथ अनावर्ती होना जरूरी है।

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