Three hundred multiples of three are picked at random, and three hundred multipl

游客2025-02-27 19

问题 Three hundred multiples of three are picked at random, and three hundred multiples of four are picked at random. Approximately what percentage of the six hundred selected numbers are even?

选项 A、100%
B、75%
C、66%
D、50%
E、33%

答案 B

解析 All multiples of four are even, and half of the multiples of three are even; since they each make up 50% of the 600, the combined percentage is approximately 75%.

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Three hundred multiples of three are picked at random, and three hundred multipl

[img]2022m10x/ct_ve01204002j_0066_221018[/img]Eachentryinthemultiplication

Thedifference942—249isapositivemultipleof7．Ifa，b，andcarenonzerodi

Forhundredsofyears,pearldivershavegatheredpearlsdirectlyfrommollusks

Itisverydifficulttoprovetodaythatapaintingdonetwoorthreehundredye

Chris:Hundredsoftrafficaccidentsannuallyareattributabletothepoorcondi

Aftergraduatingformhighschool,peoplerarelymultiplyfractionsordiscussa

Althoughfruitcannolongergrowonceitispicked,itcontinuesforsometime

Sellingseveralhundredthousandcopiesinsixmonths,thepublicationof"Maple

ThefivehundredlargestmanufacturingfirmsintheUnitedStatesproducegoods

Duringthefirstonehundredfiftyyearsoftheexistenceofthisrepublic,noo

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Whatisthemaintopicoftheinterview?[originaltext]Interviewer(M)JeanChatzk

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WhenMomandDadGrowOldA)Theprospectoftalkingtoincre

纪律约束、奖励和处罚是运动训练过程中进行思想政治教育的()之一。A.内容 B.

直肠癌的转移途径是A.远处转移 B.淋巴转移 C.直接蔓延 D.腹腔种植转

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