Mathematics · Ratio and Proportion
दो संख्याएं 3 : 7 के अनुपात में हैं। यदि प्रत्येक संख्या में से 7 घटा दिया जाए, तो नई संख्याएं 5 : 21 के अनुपात में होंगी। बड़ी संख्या ज्ञात कीजिए।
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