पहिल्या 40 नैसर्गिक संख्यांची सरासरी किती आहे?

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UGC NET Paper 1: Held on 11 July 2022 Shift 2
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  1. 20
  2. 21
  3. 21.5
  4. 20.5

Answer (Detailed Solution Below)

Option 4 : 20.5
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UGC NET Paper 1: Held on 21st August 2024 Shift 1
50 Qs. 100 Marks 60 Mins

Detailed Solution

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दिलेले आहे:

पहिल्या 40 संख्यांची सरासरी

वापरलेले सूत्र:

जेव्हा सम संख्या दिली जाते, 

सरासरी= [(n/2)th + (n/2 +1)th]/2

निरसन

येथे, n = 40

n/2 = 20

⇒ पहिल्या 40 नैसर्गिक संख्यांची सरासरी = (20 + 21)/2

⇒ 20.5

योग्य उत्तर पर्याय 4 आहे

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