【GMAT考满分数学PS题库】Set S contains exactly 10 numbers and has an avera_真题_答案

Manhattan - 数学PS - 67

题目内容

Set S contains exactly 10 numbers and has an average (arithmetic mean) of 6.2. If one of the numbers in Set S is increased by 5, while all other numbers remain the same, what is the new average of Set S?

A6.6
B6.7
C6.8
D6.85
E6.9

显示答案

正确答案: B

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