几道简单的GRE数学题
1twosuccessivediscountsof20percentand40percentareequivalenttoasinglediscountofxpercent.
x52
2thenumberof¼-inchlengthsina4-inchlength1
3thenumberofinchesintheperimeterthenumberofsquareinchesintheareaofasquareregion
ofasquareregionwithsideofsincheswithsideofsinches
4Atotalof$480isinacertaincashregister.Allofthemoneyisinone-dollarandfive-dallarbills,andthereare30moreone-dollarbillsthanfive-dollarbills.
thesumof30andthenumberof105
five-dollarbillsinthecashregister.
5thenumberofthelongestbetweenthenumberofintegersbetween6and126
15and51thataresquaresofintegers.thatarecubesofintegers.
6themaximumnumberofsolidcubeshaving4
edgesoflength½meterthatcanbeplaced
insideacubicalboxhavinginsideedgesoflength
1meter.
7Ms.Smithgotan8percentcost-of-livingraiseof$20perweek,
Ms.Smith'snewweeklysalary$260