Question
Download Solution PDFयदि 60 और x का हरात्मक माध्य 48 है, तो x का मान क्या है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFप्रयुक्त सूत्र:
n पदों के लिए, a1, a2, a3, ……., an
हरात्मक माध्य =
यदि b, a और b का हरात्मक माध्य है तो
b = 2ab/(a + b)
गणना:
दिया गया है, 60 और x का हरात्मक माध्य 48 है
प्रयुक्त सूत्र के अनुसार
⇒ 120x = 48 (x + 60)
⇒ 120x = 48x + 2880
⇒ 120x - 48x = 2880
⇒ x = 40
∴ x का मान 40 है
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