The sum of n numbers is greater than 48. If the average (arithmetic mean) of the n numbers is 1.2, what is the least possible va

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问题 The sum of n numbers is greater than 48. If the average (arithmetic mean) of the n numbers is 1.2, what is the least possible value of n? ________.

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答案41

解析 根据题目,1.2n>48→n>40,n是正整数,n最小是41,故答案是41。
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本试题收录于: GRE QUANTITATIVE题库GRE分类
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