The average of first 120 odd natural numbers, is:
The average of first 120 odd natural numbers, is:
प्रथम 120 विषम प्राकृत संख्याओं का औसत ज्ञात कीजिए।
Detailed Solution & Logic
120
प्रथम विषम संख्या = 1
120 वीं विषम संख्या = $ 2 \times 120 - 1 = 239 $
औसत = $ \dfrac{1 + 239}{2} $
औसत = $ \dfrac{240}{2} = 120 $
उत्तर= 120
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