यदि 39,48,51,63,75,83,X तथा 69 का औसत 60 हो, – McqOptions

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1.	यदि 39,48,51,63,75,83,X तथा 69 का औसत 60 हो, तो X का मान कितना होगा ?
A.	19
B.	52
C.	45
D.	67
Answer» C. 45

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