2015-2019年AMC10B真题汇编含答案（共5套）.pdfVIP

2015-2019年AMC10B真题汇编含答案

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2015AMC10B

2015AMC10B

Problem1

Whatisthevalueof?

的值是多少？

Problem2

Mariedoesthreeequallytime-consumingtasksinarowwithouttakingbreaks.Shebeginsthefirst

taskat1:00Mandfinishesthesecondtaskat2:40M.Whendoesshefinishthethirdtask?

Marie连续做了3项耗时相同的任务，中间没有休息。她从下午1:00开始做一个任务，在下

午2:40完成二个任务。她何时完成三个任务?

Problem3

Isaachaswrittendownoneintegertwotimesandanotherintegerthreetimes.Thesumofthefive

numbersis,andoneofthenumbersis.Whatistheothernumber?

Isaac把一个整数写了2遍，另一个整数写了3遍，这5个数之和为100.其中一个数是28，另

一个数是多少？

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2015AMC10B

Problem4

Foursiblingsorderedanextralargepizza.Alexate,Beth,andCyrilofthepizza.Dangotthe

leftovers.Whatisthesequenceofthesiblingsindecreasingorderofthepartofpizzathey

consumed?

4个兄弟姐妹订购了一块大的比萨饼.Alex吃了整块的，Beth吃了，Cyril吃了，Dan吃

了剩下的。下面那个选项是将这4个兄弟姐妹按照他们所吃的比萨饼的量降序排列？

Problem5

David,Hikmet,Jack,Marta,Rand,andToddwereina-personracewithotherpeople.Rand

finishedplacesaheadofHikmet.MartafinishedplacebehindJack.Davidfinishedplaces

behindHikmet.JackfinishedplacesbehindTodd.ToddfinishedplacebehindRand.Marta

finishedinthplace.Whofinishedinthplace?

DavidHikmetJackMartaRandTodd612Rand

，，，，，和其他人参加了一场人的比赛。排在

Hikmet前面6位，Marta排在Jack后面1位，David排在Hikmet的后面2位，Jack排在Todd

2ToddRand1Marta68?

后面位，排在后面位。排名。排在的是谁

Problem6

Marleypracticesexactlyonesporteachdayoftheweek.Sherunsthreedaysaweekbutneveron

twoconsecutivedays.OnMondaysheplaysbasketballandtwodayslatergolf.Sheswimsandplays

tennis,butsheneverplaystennisthedayafterrunningorswimming.Whichdayoftheweekdoes

Marleyswim?

Marley每周每天仅练习一项运动。她每周有三天跑步，但是不会有连续的两天都跑步，周一

她打篮球，两天后打高尔夫球，她也游泳和打网球，但是不会在跑步或游泳的后一天打球。

Marley是周几游泳的？