gmat数学题Q15:If n is a positive integer and r is the remainder

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/09 14:50:19

gmat数学题
Q15:
If n is a positive integer and r is the remainder when (n – 1)(n + 1) is divided by 24,what is the value of
(1)\x05 2 is not a factor of n.
(2)\x05 3 is not a factor of n.
\x05\x05
A.Statement (1) ALONE is sufficient,but statement (2) alone is not sufficient.
B.Statement (2) ALONE is sufficient,but statement (1) alone is not sufficient.
C.BOTH statements TOGETHER are sufficient,but NEITHER statement ALONE is sufficient.
D.EACH statement ALONE is sufficient.
E.Statements (1) and (2) TOGETHER are NOT sufficient.

选C
你把那些既不是3的倍数也不是2的倍数的数(如5,7,11,13)带进去发现,都是24的倍数.
但是把几个是3的倍数而不是2的倍数的数,和是2的而不是3的倍数的数带进去,发现余数有很多种,无法确定.

gmat数学题Q15:If n is a positive integer and r is the remainder gmat数学题.if n is a positive integer,what is the remainder whe gmat数学题.if n is a positive integer and n^2 is divisible by 7 GMAT 数学题if n is a positive integer and n^2 is divisible by 7 if n is a positive integer,what is the remainder when 3^(8n+ GMAT if n is a positive integer and the product of all integ When 53 is divided by a positive integer n ,the remainder is sat2 巴郎if n is an integer,what is the remainder when 3x(2^(n If n is a positive integer，and SAT数学题：If m is a positive integer,which of the following cou if n is a positive integer and 2^n + 2^n+1=k,what is 2^n+2 i if n is a positive integer,how many of the ten digits from 0