there are 3 nurses and they work altogether only once in a week. no nurse is called to work for 3 consecutive days. nurse 1 is off on tueseday, thursday and Sunday. nurse 2 is off on Saturday. nurse 3 is off on Thursday, Sunday. no two nurses are off more than once a week. find the day on which all the 3 nurses were on work.
RE: there are 3 nurses and they work altogether only o...
Friday because nurse three cannot work 3 consecutive days and the only days available for her would be Monday Wednesday and Friday. The only days the "3 consecutive days" rule could apply to are Monday Tuesday and Wednesday. With that we can eliminate Monday and Wednesday from the list of eligible days leaving us with Friday.
RE: there are 3 nurses and they work altogether only once in a week. no nurse is called to work for 3 consecutive days. nurse 1 is off on tueseday, thursday and Sunday. nurse 2 is off on Saturday. nurse 3 is off on Thursday, Sunday. no two nurses ar
Possible answer could be Monday WednesDay or Friday as show below. X is marked as holiday for that nurse. Y is working on that day and blank is not working.
Assumption here is that they may be days when any nurse is working alone and it's based on the fact that nurse one and three are off on Thursday and Sunday so nurse 2 have to work alone there is no choice for her.