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If the arithmetic mean of 7, 5, 13, x and 9 is 10, then the value of x isA. 10B. 12C. 14D. 16 |
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Answer» Correct answer is D. Mean \(=\frac{(7+5+13+x+9)}{5}\) \(10=\frac{(34+x)}{5}\) 50 - 34 = x x = 16 |
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