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Qus: The average of 11 observations is 60. If the average of 5 observations from the beginning is 58 and average of the last 5 observations is 56, then what will be the sixth observation?

Qus11 प्रेक्षणों का औसत 60 है। यदि प्रारंभ से 5 प्रेक्षणों का औसत 58 है तथा अंतिम से 5 प्रेक्षणों का औसत 56 है तो छठा प्रेक्षण क्या होगा ?


A. 90
B. 95
C. 99
D. 110


Solution
A. 90



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