Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

Subjects
0 reads0 ratings0 helpful

A student considers the number 0.101001000100001… rational because it contains only the digits 0 and 1. What is the correct evaluation of this statement?

Answer and explanation

Correct answer: It is irrational because its decimal expansion is non-terminating and non-repeating.

In 0.101001000100001…, the number of zeros between successive 1s keeps increasing, so the digits do not follow a fixed repeating pattern and the decimal expansion is non-terminating. Therefore, the number is irrational. Merely using the digits 0 and 1 does not make a number rational; a rational number has a terminating or repeating decimal expansion. Exam tip: a non-terminating, non-repeating decimal is irrational.

Related tags

Real NumbersRational NumbersIrrational NumbersDecimal ExpansionClass 9 MathematicsNumber SystemsMathematicsClass 9 Mcq

Was this question useful?

No ratings yetWrite a review / Rate this question

Student Reviews

No published reviews yet.

Add Muft Shiksha to your Home Screen

In Safari, tap Share, then Add to Home Screen.