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