Mathematics · Mensuration
एक गोलाकार गुब्बारे में और हवा भरने पर उसकी त्रिज्या 5 सेमी से बढ़कर 10 सेमी हो जाती है। मूल गुब्बारे के आयतन का फूले हुए गुब्बारे के आयतन से अनुपात क्या है?
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