作业帮GMAT数学What is the remainder when the two-digit,positive inte
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GMAT数学
What is the remainder when the two-digit,positive integer x is divided by 3
(1) The sum of the digits of x is 5.
(2) The remainder when x is divided by 9 is 5.
还有一道
A school administrator will assign each student in a group of n students to one of m classrooms.If 3 < m < 13 < n,is it possible to assign each of the n students to one of the m classrooms so that each classroom has the same number of students assigned to it?
(1) It is possible to assign each of 3n students to one of m classrooms so that each classroom has the same number of students assigned to it.
(2) It is possible to assign each of 13n students to one of m classrooms so that each classroom has the same number of students assigned to it.
What is the remainder when the two-digit,positive integer x is divided by 3
(1) The sum of the digits of x is 5.
(2) The remainder when x is divided by 9 is 5.
还有一道
A school administrator will assign each student in a group of n students to one of m classrooms.If 3 < m < 13 < n,is it possible to assign each of the n students to one of the m classrooms so that each classroom has the same number of students assigned to it?
(1) It is possible to assign each of 3n students to one of m classrooms so that each classroom has the same number of students assigned to it.
(2) It is possible to assign each of 13n students to one of m classrooms so that each classroom has the same number of students assigned to it.
What is the remainder when the two-digit,positive integer x is divided by 3
当两位正整数x被3除时余数是多少?
(1) The sum of the digits of x is 5.（x的数字和为5,则被3除余数为2）
(2) The remainder when x is divided by 9 is 5.（X被9除余5,则被3除余数为2）
A school administrator will assign each student in a group of n students to one of m classrooms.校长分配n个学生到m个班里
If 3 < m < 13 < n,
n个（或3n个,13n个）学生,是否可能每个班分得的学生相同?当然可能了,只需n/m为整数即可.比如m=5 ,n=15
感觉后一题是否描述有问题?或是我理解错了?
再问： Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. EACH statement ALONE is sufficient. Statements (1) and (2) TOGETHER are NOT sufficient. 这五个是选项~ 第一题的是不是要记的规律啊~纠结
再答： 第一题就是被3整除（或被9整除）的规律呀：数字和被3除的余数即为原数被3除的余数。 后面不知所云。
当两位正整数x被3除时余数是多少?
(1) The sum of the digits of x is 5.（x的数字和为5,则被3除余数为2）
(2) The remainder when x is divided by 9 is 5.（X被9除余5,则被3除余数为2）
A school administrator will assign each student in a group of n students to one of m classrooms.校长分配n个学生到m个班里
If 3 < m < 13 < n,
n个（或3n个,13n个）学生,是否可能每个班分得的学生相同?当然可能了,只需n/m为整数即可.比如m=5 ,n=15
感觉后一题是否描述有问题?或是我理解错了?
再问： Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. EACH statement ALONE is sufficient. Statements (1) and (2) TOGETHER are NOT sufficient. 这五个是选项~ 第一题的是不是要记的规律啊~纠结
再答： 第一题就是被3整除（或被9整除）的规律呀：数字和被3除的余数即为原数被3除的余数。 后面不知所云。
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