GIVEN information,J teaches Arts on Saturday.L teaches neither English nor Social Science, but he teaches on Thursday.Wednesday is reserved for Maths TAUGHT by K.Social Science is taught a DAY before Arts.DayTeacherSubjectMonday Tuesday WednesdayKMathsThursdayL Friday Social ScienceSaturdayJArts L does not tech Social science and English, the two remaining subjects are Science and HINDI, but O teaches Science, so L teaches Hindi.O teaches Science a day before N.Only Social science is left, which is taught by M. DayTeacherSubjectMondayOScienceTuesdayNEnglishWednesdayKMathsThursdayLHindiFridayMSocial ScienceSaturdayJArts M teaches Social Science.Hence, “M” is the correct answer.