Questions 3-8 OneachdayoftheMondaythroughFridayworkweek，exactlytwoofthreeemployees-George， Hilda， andIrene-mustremainondutyintheofficetoanswertele-phonesduringthenoonto 1 p.m. lunchbreak. Intheschedulingoftelephonedutythefollowingconstraintsmustbemet： HildaandIrenehavetelephonedutytogetheron
Tuesday. GeorgeandHildahavetelephonedutytogetheron
Thursday.Noonecanhavetelephonedutyonmorethanfourofthefivedaysoftheweek.
3.Whichofthefollowingcanbetheweekstelephonedutyschedule? MondayTuesdayWednesdayThursdayFriday
GeorgeGeorgeHildaGeorgeHildaHildaIreneIreneHildaIrene
GeorgeHildaGeorgeHildaGeorgeHildaIreneHildaIreneIrene
GeorgeHildaGeorgeGeorgeGeorgeIreneIreneHildaHildaHilda
HildaHildaGeorgeGeorgeHildaIreneIreneHildaHildaIrene
HildaHildaGeorgeGeorgeGeorgeIreneIreneHildaIreneIrene
4.IfHildahastelephonedutyforexactlytwodaysoftheweek， whichofthefollowingmustbetrue?
GeorgeandIrenehavetelephonedutytogetheronWednesday.
GeorgeandHildahavetelephonedutytogetheronFriday.
HildaandIrenehavetelephonedutytogetheronWednesday.