Question
Download Solution PDF7 प्राकृत संख्याओं का औसत 70 है। उनमें से छह संख्याएँ 32, 69, 72, 65, 79, 48 हैं। सातवीं संख्या कौन-सी है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदी गई जानकारी:
सात संख्याओं का औसत = 70
छह संख्याएँ = 32, 69, 72, 65, 79, 48
अवधारणा:
औसत को 7 से गुणा करके सात संख्याओं का योग निकाला जा सकता है। दी गई छह संख्याओं के योगफल को इस योगफल से घटाने पर सातवीं संख्या प्राप्त होती है।
गणना:
सात संख्याओं का योग = औसत × 7 = 70 × 7 = 490
⇒ दी गई छह संख्याओं का योगफल = 32 + 69 + 72 + 65 + 79 + 48 = 365
⇒ सातवीं संख्या = कुल - छह संख्याओं का योगफल = 490 - 365 = 125
अतः अभीष्ट सातवीं संख्या 125 है।
Last updated on Jun 30, 2025
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