A man is 48 years old. He asks the other man how old he is. The other man answer

游客2024-08-08 29

问题 A man is 48 years old. He asks the other man how old he is. The other man answers: "I am twice as old as you were when I was as old as you are today." How old is the other man?

选项 A、32
B、48
C、64
D、80

答案 C

解析假定我现在X岁，当我48岁时，你的年龄是Y岁。因而，X=2Y，X-48=48-Y，用这两个等式，得出X=64。

转载请注明原文地址:https://tihaiku.com/zcyy/3710982.html

相关试题推荐

Themanwehadarresteddoesn’t______yourdescriptionofthethief.A、answerto
Readthestatementsbelow.Thenanswerthequestion.NoneofthefourJones
Amanis48yearsold.Heaskstheothermanhowoldheis.Theothermananswer
Amanis48yearsold.Heaskstheothermanhowoldheis.Theothermananswer
Answerthequestionbelowwithonlyoneword.Whatbirdliftsheavythings?crane
Veryfewscientists______completelynewanswerstotheworld’sproblems.A、comeu
Provideapreparedanswer，andyouwillgiveafalseimpression，orworse，seemdis
Theteacheraskedadifficultquestion,andfinallyTodd_____withagoodanswer
Ifyouareaskedquestionsthatseemtoyoutoopersonal,youneednotanswerth
Thequestionof______thetrafficaccidenthappenedhasn’tbeenansweredyet,t

随机试题

Readthememoandtheadvertisementbelow.Completetheform.Writeawordorph
PatentPatents【T1】______thechancesofinventorstomakemoneyfrom【T2】_
He____himselfasabusinessexecutive(主管);infact,heisaclerk.A、definedB、s
TheAmericanPsychologicalAssociation(APA)warnsthatthelonelinessepidem
TCBS平板中没有的成分是A.胆盐B.蔗糖C.硫代硫酸钠D.枸橼酸盐E.亚硝酸盐
人体内具有分化能力的最早的造血细胞是A.粒系祖细胞B.红系祖细胞C.造血干细胞D
（）天气时，检查电流互感器无沿表面闪络和放电，重点监视瓷质污秽部分，必要时夜间熄
注：1.农村金融机构包括农村商业银行、农村合作银行、农村信用社和新型农村金融
以下属于中国银监会监管的非银行金融机构的是（）。 A.基金管理公司B.保险
患者,女,72岁,有青霉素过敏史。主诉尿痛、尿频,尿常规检查示大量白细胞,尿细菌

最新回复(0)

A man is 48 years old. He asks the other man how old he is. The other man answer

Themanwehadarresteddoesn’t______yourdescriptionofthethief.A、answerto

Readthestatementsbelow.Thenanswerthequestion.NoneofthefourJones

Amanis48yearsold.Heaskstheothermanhowoldheis.Theothermananswer

Amanis48yearsold.Heaskstheothermanhowoldheis.Theothermananswer

Answerthequestionbelowwithonlyoneword.Whatbirdliftsheavythings?crane

Veryfewscientists______completelynewanswerstotheworld’sproblems.A、comeu

Provideapreparedanswer，andyouwillgiveafalseimpression，orworse，seemdis

Theteacheraskedadifficultquestion,andfinallyTodd_____withagoodanswer

Ifyouareaskedquestionsthatseemtoyoutoopersonal,youneednotanswerth

Thequestionof______thetrafficaccidenthappenedhasn’tbeenansweredyet,t

Readthememoandtheadvertisementbelow.Completetheform.Writeawordorph

PatentPatents【T1】______thechancesofinventorstomakemoneyfrom【T2】_

He____himselfasabusinessexecutive(主管);infact,heisaclerk.A、definedB、s

TheAmericanPsychologicalAssociation(APA)warnsthatthelonelinessepidem

TCBS平板中没有的成分是A.胆盐B.蔗糖C.硫代硫酸钠D.枸橼酸盐E.亚硝酸盐

人体内具有分化能力的最早的造血细胞是A.粒系祖细胞B.红系祖细胞C.造血干细胞D

（）天气时，检查电流互感器无沿表面闪络和放电，重点监视瓷质污秽部分，必要时夜间熄

注：1.农村金融机构包括农村商业银行、农村合作银行、农村信用社和新型农村金融

以下属于中国银监会监管的非银行金融机构的是（）。 A.基金管理公司B.保险

患者,女,72岁,有青霉素过敏史。主诉尿痛、尿频,尿常规检查示大量白细胞,尿细菌