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5 संख्याओ का माध्य 27 हैं , यदि एक संख्या निकाल दी गयी हैं तब उनका माध्य 25 हैं । निकाली गयी संख्या ज्ञात कीजिए ।

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5 संख्याओ का माध्य =27
`therefore` प्रेक्षणों को योग = 27 x 5 = 135
अब, 4 संख्याओं का माध्य = 25
`therefore` प्रेक्षणों को योग = 25 x 4 = 100
`therefore` निकाली गई संख्या =135-100=35

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