Mathematics · Mensuration
4 इंच और 5 इंच त्रिज्या वाले दो ठोस धातु के गोलों को एक साथ पिघलाकर एक ठोस घन बनाया जाता है। यदि घन बनाने की प्रक्रिया में 63 घन इंच धातु बर्बाद हो जाती है, तो घन का कुल पृष्ठीय क्षेत्रफल (वर्ग इंच में) कितना है? (π = 227 लीजिए)
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