किस भिन्न का दशमलव विस्तार सांत होगा?
Which fraction will have a terminating decimal expansion?
Explanation opens after your attempt
D. \(\frac{11}{40}\)
Concept
In \(\frac{11}{40}\), the denominator \(40=2^3\times5\), so the decimal is terminating. Exam tip: check whether the denominator has only (2) and (5) as prime factors.
Why this answer is correct
The correct answer is D. \(\frac{11}{40}\). In \(\frac{11}{40}\), the denominator \(40=2^3\times5\), so the decimal is terminating. Exam tip: check whether the denominator has only (2) and (5) as prime factors.
Exam Tip
\(\frac{11}{40}\) में हर \(40=2^3\times5\) है इसलिए दशमलव सांत होगा। परीक्षा में हर के अभाज्य गुणनखंड केवल (2) और (5) देखें।
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