Mathematics · Averages
6 प्रेक्षणों (observations) का औसत 45.5 है। यदि पिछले प्रेक्षणों में एक नया प्रेक्षण जोड़ा जाता है, तो नया औसत 47 हो जाता है। नए प्रेक्षण का मान ज्ञात कीजिए।
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