भिन्न \( \frac{31}{400} \) का दशमलव रूप कौन-सा है?
Which is the decimal form of \( \frac{31}{400} \)?
Explanation opens after your attempt
Correct Answer
B. (0.0775)
Concept
\(400\times25=10000\), so \( \frac{31}{400}=\frac{775}{10000}=0.0775 \). Making the denominator a power of (10) is useful.
Why this answer is correct
The correct answer is B. (0.0775). \(400\times25=10000\), so \( \frac{31}{400}=\frac{775}{10000}=0.0775 \). Making the denominator a power of (10) is useful.
Exam Tip
\(400\times25=10000\), इसलिए \( \frac{31}{400}=\frac{775}{10000}=0.0775 \) है। हर को (10) की घात बनाना उपयोगी है।
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