首页
登录
职称英语
An identification code read from left to right consists of 2 digits, a dash, 3 d
An identification code read from left to right consists of 2 digits, a dash, 3 d
游客
2025-02-24
29
管理
问题
An identification code read from left to right consists of 2 digits, a dash, 3 digits, a dash, and then 4 digits. Each digit can be any number from 0 through 9.
Column A Column B
The number of different identification codes possible
选项
A、if the quantity in Column A is greater
B、if the quantity in Column B is greater
C、if the two quantity are equal
D、if the relationship cannot be determined from the information given
答案
C
解析
一个识别密码(identification code)从左至右包括2个数字,1个连字符号,3个数字,1个连字符号,然后是4个数字,每个数字可以是0至9的任一个。
解:本题的正确答案是(C)。题目中比较的左项是所有可能的密码数,dash指连字符号,如123-456中的“-”,它与密码数无关。密码中共有9个数字,每个数字都可能是0至9这10个数字中的一个,所以共有
种可能。
转载请注明原文地址:https://www.tihaiku.com/zcyy/3970830.html
相关试题推荐
[*]Inthesumabove,ifXandYeachdenoteoneofthedigitsfrom0to9,incl
[img]2014m9x/ct_egreqj_egreqbj_0031_20148[/img][br]CSetSconsistsofallinte
Areadinglistforahumanitiescourseconsistsof10books,ofwhich4arebiog
ListKconsistsofthenumbers-10,-5,0,5,and10.Whichofthefollowinglis
ListL:4,5,6,7,7,8,xListLconsistsof7numbers.Whichofthefollowing
If2,4,6,7,8,and9arethedigitsoftwo3-digitintegers,whatistheleas
QuantityA:Thetwo-digitintegerthatequalstwicethesumofitsdigitsQuanti
78:S={1,3,5,7,…,397,399}SetSconsistsoftheoddnumbersfrom1to399,inc
What’sthesumofallthedigitsofinteger(10100-38)?A、881B、888C、890D、872E
Themalelion’smaneconsistsofhairofvaryinglengthandcolor,covering,
随机试题
In1826,aFrenchmannamedNiepceneededpicturesforhisbusiness.Buthew
Itisnaturaltofeeluncomfortableinalanguageclass.You’reusedtob
Smokingissoharmfultopersonalhealththatitkills______peopleeachyeartha
元青花瓷富丽雄浑,其风格与传统的瓷器大相径庭。TheblueandwhiteporcelainsoftheYuanDynastyaregra
[originaltext]Moneyfrommigrantworkersnowexceedsthecombinedtotalofall
Democracy Democracyisnotanewconcept.TheancientA
中国特色社会主义进入新时代,深化文化体制改革成为满足人民群众文化需要的必然要求,
患者,女性,20岁。左胸剌伤1小时,患者呼吸困难,烦躁不安。査体:脉搏99次/分
D
《井冈山土地法》提出了“没收一切土地归苏维埃政府所有”的政策,对这一政策进行原则
最新回复
(
0
)