C D E F W X Y and Z have to attend a wedding in January April September and December of the same year. in each month the wedding on is either the 11th or 24th of the month. not more than two of the given people have to attend a wedding on 11th of the month which has only 30 days. Only three people have to attend a wedding on W and Y . C and Y have to attend a wedding neither on the same date nor in the same month. C does not have to attend wedding in April. Only two people have to attend a wedding between C and F. X and F have to attend a wedding on the same date. D has to attend a wedding on one of the days before X. only one person has to attend a wedding between D andE. less then four people have to attend a wedding between E and Z.