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यदि 7,5,13,x, तथा 9 का औसत 10 हो, तो x का मान क्या होगा ?

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यदि 7,5,13,x, तथा 9 का औसत 10 हो, तो x का मान क्या होगा ?
A. 10
B. 12
C. 14
D. 16
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1 Answer

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Correct Answer - D
Arithmetic mean
=`("Total sum")/("Total number")`
According to the question ,
`10=(7+5+13+x+9)/5`
50=x+34
x=50-34
x=16
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