Question
Download Solution PDFपांच क्रमागत सम संख्याओं का माध्य 16 है, संख्याओं का प्रसरण ज्ञात कीजिये।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
पांच क्रमागत सम संख्याओं का माध्य = 16
प्रयुक्त सूत्र:
V = प्रसरण
∑ = योग
x = अवलोकन
n = अवलोकनों की संख्या
a = संख्याओं का पहला पद
d = सार्व अंतर
गणना:
⇒ 2a + (5 – 1)2 = 32
⇒ 2a + 4 × 2 = 32
⇒ 2a = 32 – 8
⇒ 2a = 24
⇒ a = 12
पहला पद = 12
अन्य पद 14, 16, 18, 20 हैं
⇒
⇒
⇒ 8
⇒ V = 8
∴ संख्याओं का प्रसरण 8 है
Last updated on Jul 4, 2025
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