Medium Mathematics Real Numbers Class 10 Level 21

\(\frac{84}{210}\) के बारे में सही विकल्प चुनिए।

Choose the correct option for \(\frac{84}{210}\).

Explanation opens after your attempt
Correct Answer

A. समाप्त दशमलव क्योंकि सरलतम रूप \(\frac{2}{5}\) हैTerminating decimal because the reduced form is \(\frac{2}{5}\)

Step 1

Concept

\(\frac{84}{210}=\frac{2}{5}\).

Step 2

Why this answer is correct

The reduced denominator is (5), so the decimal terminates.

Step 3

Exam Tip

Extra factors in the original denominator do not matter after cancellation. चरण 1: \(\frac{84}{210}=\frac{2}{5}\) है। चरण 2: सरलतम हर (5) है, इसलिए दशमलव समाप्त होगा। चरण 3: मूल हर के अतिरिक्त गुणनखंड काटने के बाद महत्व नहीं रखते।

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Mathematics Answer, Explanation and Revision Hints

\(\frac{84}{210}\) के बारे में सही विकल्प चुनिए। / Choose the correct option for \(\frac{84}{210}\).

Correct Answer: A. समाप्त दशमलव क्योंकि सरलतम रूप \(\frac{2}{5}\) है / Terminating decimal because the reduced form is \(\frac{2}{5}\). Explanation: चरण 1: \(\frac{84}{210}=\frac{2}{5}\) है। चरण 2: सरलतम हर (5) है, इसलिए दशमलव समाप्त होगा। चरण 3: मूल हर के अतिरिक्त गुणनखंड काटने के बाद महत्व नहीं रखते। / Step 1: \(\frac{84}{210}=\frac{2}{5}\). Step 2: The reduced denominator is (5), so the decimal terminates. Step 3: Extra factors in the original denominator do not matter after cancellation.

Which concept should I revise for this Mathematics MCQ?

\(\frac{84}{210}=\frac{2}{5}\).

What exam hint can help solve this Mathematics question?

Extra factors in the original denominator do not matter after cancellation. चरण 1: \(\frac{84}{210}=\frac{2}{5}\) है। चरण 2: सरलतम हर (5) है, इसलिए दशमलव समाप्त होगा। चरण 3: मूल हर के अतिरिक्त गुणनखंड काटने के बाद महत्व नहीं रखते।

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