首页
登录
职称英语
In 1980 the total population of females from 50 to 59 years old, inclusive, was
In 1980 the total population of females from 50 to 59 years old, inclusive, was
游客
2025-02-24
18
管理
问题
In 1980 the total population of females from 50 to 59 years old, inclusive, was closest to [br] The "combined age" of a group of people is the sum of the ages of all of the people in the group. Which of the following groups had the greatest combined age in 1986?
选项
A、20-year-old males
B、20-year-old females
C、60-year-old males
D、60-year-old females
E、80-year-old females
答案
D
解析
一群人的总年龄是这群人中所有人的年龄和。在1986年,下面哪群人的总年龄最大?
解:本题的正确答案为(D)。从图中找出每群人的人数,然后再乘以他们的人数,最后再比较大小。由图可知:20岁的男性和女性人数均约为2.2 million,因而这两群人的总年龄约为44 million岁;60岁男性约为1.1 million,因而总年龄为66 million岁;60岁女性约为1.2 million,因而总年龄为72 million岁;而80岁女性约为0.5 million,总年龄为40 million岁。综上所述60岁女性的总年龄最大。
转载请注明原文地址:https://tihaiku.com/zcyy/3971235.html
相关试题推荐
ThelargepopulationsandimpressiveculturalachievementsoftheAztecs,theMa
Theintegersbetween1and100,inclusive,areputinlistAiftheyaredivisib
[img]ct_gre6image028[/img]Ifthepercentincreaseinpopulationfrom1910to19
[img]ct_gre6image044[/img]In1987theaverage(arithmeticmean)populationoft
Anintegerfrom10through99,inclusive,istobechosenatrandom.Whatisthe
InyearY,thepopulationofColoradowasapproximatelyhalfthatofNewJersey,
[img]2015m7x/ct_egreqj_egreqtbz1_0101_20151[/img]Thepopulationsofthefivemo
SetTconsistsoftheintegersfrom11through100,inclusive.QuantityA:4tim
Howmanyintegersbetween1and1000(inclusive)areasquarenumberaswellas
QuantityA:thestandarddeviationoftheoddnumbersbetween1and19inclusive
随机试题
HackersAttackUSStateDepartmentComputersTheU.S.StateDepartmenthasc
Whenquestionedbytheinterviewer,mymindwent______,andIcouldhardlyrem
Esperantoisanartificiallanguage,designedtoserveinternationallyasan
Theresearchlaboratoryisgoingto____
A.S2=qa B. C. D.
系统的单位调节功率取决于()。A.发电机的单位调节功率 B.电动机的单位调节
自发性气胸,安置胸腔引流管应选择下列哪个部位A.第6肋间腋中线与腋后线之间 B
下边四个小图形中,只有一个是由上边的四个图形拼合而成(只能通过上,下,左,右平移
老鼠是人人喊打的坏蛋,不过它可是草原生态系统中不可缺少的角色。如果鼠类数量过多
风寒感冒患者宜选用的中成药是A.羚羊感冒胶囊 B.双黄连颗粒 C.银翘解毒颗
最新回复
(
0
)