单选题
the average of n consecutive integers beginning with 1 is 12Quantity A: nQuantity B: 24
A、
Quantity A is greater.
B、
Quantity B is greater.
C、
The two quantities are equal.
D、
The relationship cannot be determined from the information given.
【正确答案】
B
【答案解析】
利用等差数列的求和公式，那么S=12n=n(n+1)/2，n=23，选择B。
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