Concept-wise Practice

recurring-nine MCQ Questions for Class 10

recurring-nine se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

2 questions tagged with recurring-nine.

Question 1/2 Hard Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 21

\(0.24999\ldots\) किसके बराबर है?

What is \(0.24999\ldots\) equal to?

Explanation opens after your attempt
Correct Answer

B. (0.25)

Step 1

Concept

When (9)'s continue forever at the end, the number may equal the next terminating decimal.

Step 2

Why this answer is correct

\(0.24999\ldots=0.25\).

Step 3

Exam Tip

Convert infinite repeating (9)'s into the simpler terminating form. चरण 1: अंत में लगातार (9) आने पर संख्या अगले सांत दशमलव के बराबर हो सकती है। चरण 2: \(0.24999\ldots=0.25\) है। चरण 3: ऐसे दशमलवों में (9) की अनंत पुनरावृत्ति को साधारण सांत रूप में बदलें।

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Question 2/2 Hard Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 20

\(0.0999\ldots\) के बारे में सही कथन कौन-सा है?

Which statement is correct about \(0.0999\ldots\)?

Explanation opens after your attempt
Correct Answer

A. यह \(\frac{1}{10}\) के बराबर हैIt is equal to \(\frac{1}{10}\)

Step 1

Concept

\(0.0999\ldots=0.1\).

Step 2

Why this answer is correct

\(0.1=\frac{1}{10}\), so it is rational and equal to a terminating decimal.

Step 3

Exam Tip

When (9)'s continue at the end, check for an equivalent terminating decimal. चरण 1: \(0.0999\ldots=0.1\) होता है। चरण 2: \(0.1=\frac{1}{10}\), इसलिए यह परिमेय और सांत दशमलव के बराबर है। चरण 3: अंत में लगातार (9) आने पर बराबर सांत दशमलव की संभावना देखें।

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