Concept-wise Practice

conceptual-rule MCQ Questions for Class 10

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

Practice Questions

1 questions tagged with conceptual-rule.

Question 1/1 Hard Mathematics Chapter 1: Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 20

कौन-सा कथन \(\frac{p}{q}\) के दशमलव प्रसार के लिए सही है, जब \(\frac{p}{q}\) सरलतम रूप में हो?

Which statement is correct for the decimal expansion of \(\frac{p}{q}\), when \(\frac{p}{q}\) is in lowest form?

Explanation opens after your attempt
Correct Answer

A. यदि \(q=2^m5^n\), तो दशमलव सांत होगाIf \(q=2^m5^n\), the decimal will terminate

Step 1

Concept

The rule applies to the denominator in lowest form.

Step 2

Why this answer is correct

If \(q=2^m5^n\), the denominator has only (2) and (5), so the decimal terminates. The other statements are incomplete because (q) may contain other prime factors.

Step 3

Exam Tip

Be careful with words like always and never. चरण 1: नियम सरलतम हर पर लागू होता है। चरण 2: यदि \(q=2^m5^n\), तो हर में केवल (2) और (5) हैं, इसलिए दशमलव सांत होगा। बाकी कथन अधूरे हैं क्योंकि (q) में अन्य अभाज्य गुणनखंड भी हो सकते हैं। चरण 3: हमेशा और कभी नहीं जैसे शब्दों पर सावधानी रखें।

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