Question
Download Solution PDFA, B और C का औसत वजन 45 किग्रा है। यदि A और B का औसत वजन 40 किग्रा है और B और C का औसत वजन 42 किग्रा है, तो B का वजन (किग्रा में) है:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
A, B, C का औसत वजन = 45 किग्रा
A और B का औसत वजन = 40 किग्रा
B और C का औसत वजन = 42 किग्रा
प्रयुक्त सूत्र:
औसत = (मानों का योग) ÷ (मानों की संख्या)
गणना:
⇒ A + B + C = 45 x 3 = 135
⇒ A + B = 40 x 2 = 80
⇒ B + C = 42 x 2 = 84
अब, (A + B) और (B + C) को जोड़ें:
⇒ A + 2B + C = 80 + 84 = 164
हमारे पास पहले से ही है: A + B + C = 135
⇒ घटाएँ:
(A + 2B + C) − (A + B + C) = 164 − 135
⇒ B = 29
∴ B का वजन 29 किग्रा है।
Last updated on Jul 17, 2025
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