字典翻译 问答 高中 数学 【GMAT数学题Datasufficiency1.Inasurveyofretailers,whatpercenthadpurchasedcomputersforbusinesspurposes?(1)85percentoftheretailerssurveyedwhoownedtheirownstorehadpurchasedcomputersforbusinesspurposes.(2)40percentofthe】
问题标题:
【GMAT数学题Datasufficiency1.Inasurveyofretailers,whatpercenthadpurchasedcomputersforbusinesspurposes?(1)85percentoftheretailerssurveyedwhoownedtheirownstorehadpurchasedcomputersforbusinesspurposes.(2)40percentofthe】
问题描述:

GMAT数学题Datasufficiency

1.Inasurveyofretailers,whatpercenthadpurchased

computersforbusinesspurposes?

(1)85percentoftheretailerssurveyedwhoowned

theirownstorehadpurchasedcomputersfor

businesspurposes.

(2)40percentoftheretailerssurveyedownedtheir

ownstore.

2.Ofthe66peopleinacertainauditorium,atmost6peoplehavetheirbirthdaysinanyonegivenmonth.DoesatleastonepersonintheauditoriumhaveabirthdayinJanuary?

(1)MostofthepeopleintheauditoriumhavetheirownbirthdayinFebruarythanMarch.

(2)FiveofthepeopleintheauditoriumhaetheirbirthdayinMarch.

第一题答案是E,第二题答案是D。

OG上有解析,但是我没看懂,请大家帮我解释一下,谢谢了!

孙立波回答:
  你清楚阿bigbother
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