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If an 80 gram compound contains 20 grams B what is the percentage of B?यदि 80 ग्राम यौगिक में ख 20 ग्राम है तो ख का प्रतिशत कितना है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 25 percent25 प्रतिशत
20 divided by 80 multiplied by 100 is 25 percent. Exam tip: keep total mass as denominator while finding percent.20 को 80 से भाग देकर 100 से गुणा करने पर 25 प्रतिशत है। परीक्षा में percent निकालते समय कुल द्रव्यमान denominator रखें।
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