1What is the tens digit of positive integer x ?() (1)x divided by 100 has a remainder of 30. (2)x divided by 110 has a remainder of 30. 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...
A. 0 B. 2 C. 4 D. 6 相关知识点: 试题来源: 解析 B 100000000=28×58, Like all powers of5⩾52,58 ends in”25”.100000000的最大奇数的十位数字是( ).A.0B.2C.4D.610000000=28×58,所有大于等于52的5的指数都以“25”结尾.故选B.反馈 收藏 ...
17. What is the tens digit of the smallest six-digit positive integer that is divisible by each of 10,11,12,13,14,and 15?(A) 0 (B) 6 (C) 2 (D) 8 (E) 4 相关知识点: 试题来源: 解析 本题,这六个数,最小公倍数为2×2×3×5×7×11×13,其中前四个数得六十,后三数为1001,...
What is the tens digit of positive integer x ?() (1)x divided by 100 has a remainder of 30. (2)x divided by 110 has a remainder of 30. 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...
刷刷题APP(shuashuati.com)是专业的大学生刷题搜题拍题答疑工具,刷刷题提供What is the tens digit of positive integer x ?() (1)x pided by 100 has a remainder of 30. (2)x pided by 110 has a remainder of 30.A.条件(1)充分,但条件(2)不充分.B.条件(2)充分,但
If the units digit of the three-digit positive integer k is nonzero, what is the tens digit of k? (1) The tens digit of k + 9 is 3. (2) The tens digit of k + 4 is 2._出国考试答疑器_GMAT_试题_Data Sufficiency
ANotice that, for n≥2, 2015^n=15^n is congruent to 251 mod 100) when n is even and 751 mod 100) when n is odd. ζCheck for yourself7. Since 2016 is even, 2015^(2016)=25 mod 100) and 2015^(20116)-2017\equiv25-17\equiv081 mod 100).So the answer is A0.In a ...
解析 D 7^(2011)的十位数字是几? 7的一次方,二次方,⋅ ⋅ ⋅ 是7,49,343,2401,16807.如你所见,最后两位数字在每4次方之后循环.71(mod 100)≡75(mod 100)≡72009(mod 100).从那里,我们再来两个次方.最后两位数字是43,所以十位数是4. 故选.反馈 收藏 ...
If the units digit of the three-digit positive integer k is nonzero, what is the tens digit of k ? (1) The tens digit of k + 9 is 3. (2) The tens digit of k + 4 is 2. 选项: 答案: A 提问列表 提问 提问: K+4,能算的就是K=8,2)为何不对? 解答: 点赞0 阅读1111 ...
What is the largest 4-digit number that is 10,000 when rounded to the nearest thousands? I am a three-digit number. My tens digit is six more than my ones digit. My hundreds digit is eight less than my tens digit...