A bag contains 3 red, 4 white, and 5 blue marbles. Jason begins removing marbles

游客2025-02-24 32

问题 A bag contains 3 red, 4 white, and 5 blue marbles. Jason begins removing marbles from the bag at random, one at a time. What is the least number of marbles he must remove to be sure that he has at least one of each color?

选项 A、3
B、6
C、8
D、10
E、12

答案 D

解析

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A bag contains 3 red, 4 white, and 5 blue marbles. Jason begins removing marbles

Jillhas6xredmarblesandAygreenmarbles.Billhashalfasmanyredmarbles

Abowlcontains20marbles(8blue,6red,3green,2yellow,and1orange).If

Acoloredmarbleistobechosenatrandomfromabagofmarbles.Theprobabilit

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Abagcontains3red,4white,and5bluemarbles.Jasonbeginsremovingmarbles

Abowlcontains20marbles(8blue,6red,3green,2yellow,and1orange).Ify

Aboxcontains5orangedisks,4reddisks,and1bluedisk.Youaretoselectt

A、containsmorethermalventsthantheadultenvironmentB、receivesmoreofits

Skincontainsmillionsofsensoryreceptorswhichinformthebrain,throughelec

ThesurfaceofVenuscontainscalcite,amineralthatabsorbsthegassulfur

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PleasenotethatIwillbeawayfromBostonnextweek,______youwanttocallm

湿度是指在一定温度及压力条件下混合气体中水蒸气的含量，对某混合气体，以下四个说法

房地产经纪人员要建立积极心态，正确的做法是（）。A.固执 B.回避挑战 C

B左边四个图形可以拼合成如下图形：

A.3/7π B.4/7π C.π/2 D.π

个人信用报告是个人征信系统提供的最基础产品，它记录了（）与（）之间的信贷交易

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