Mathematics · Average
पाँच संख्याएँ हैं जिनका औसत 72 है। यदि पहली संख्या अन्य चार संख्याओं के योग का एक-पाँचवाँ हिस्सा है, तो पहली संख्या क्या है?
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सही उत्तर देखें
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