is a positive integer, then, in terms of x, the number of integers that are both less than 4x and greater than 2x is( ).A. x B. 2x−1 C. 2x D. 2x+1 相关知识点: 试题来源: 解析 B The number, N, of integers between 2x and 4x is 1 less than the difference between 4x ...
3 英语翻译 if n is a positive integer,then n(n+1)(n+2) is A even only when n is odd B evne only when n is even C odd whenever n is odd D divisible by 3 only when n is odd E divisible by 4 whenever n is even 反馈
Ifxis a positive integer, then isxprime? 3x+ 1 is prime. 5x+ 1 is prime. 选项: 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. ...
If n is a positive integer, then which of the following must be true about (n) and (n+1)? () A. n is odd and (n+1) is even. B. n is even and (n+1) is odd. C. The product of the two terms is odd. D. The sum of the two terms is even. E. The product of the...
are positive integers and u!=v!×56, then v could equal( ). A. 6B. 8C. 56D. 57相关知识点: 试题来源: 解析 A There are two possible values for v:1) Since 56=55×56, one possibility is u=56 and v=55. But 55 is not a choice. 2) Since56=8×7, we can write8!=6×...
If x is a positive integer, then is x prime? ⑴ 3x+ 1 is prime. (2) 5x + 1 is prime. 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 TOGETHE...
1GWD管卫东GMAT 第7套题 If x is a positive integer,is theremainder 0 when 3^X + 1 is divided by 10?(X是指数,我电脑表示不出来)(1) x = 4n + 2,where n is apositive integer.(2) x> 4A.Statement (1) ALONE is sufficient,but statement (2) alone isnot sufficient.B.Statement (2)...
The addition problem above shows four of the 24 different integers that can be formed by using each of the digits 1, 2, 3 and 4 exactly once in each integer. What is the sum of these 24 integers ?() A.24,000 B.26,664 C.40,440 ...
is a positive integer, then Problem Solving 试题详情 题目: Ifnis a positive integer, thenn(n+ 1)(n+ 2) is 选项: A、even only whennis even B、even only whennis odd C、odd whenevernis odd D、divisible by 3 only whennis odd
If n is a positive integer, is the value of b- a at least twice the value of 3n-2n ?() (1)a=2n+1 and b=3n+1 (2)n=3 A.条件(1)充分,但条件(2)不充分. B.条件(2)充分,但条件(1)不充分. C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分. D.条件(1)充分,条...