SCIENCE on Wednesday.O teaches Math second day after J.K teaches on the FIRST day of the WEEK, but teaches neither Hindi nor ENGLISH.DayTeacherSubjectMondayK Tuesday WednesdayJScienceThursday FridayOMathSaturday M teaches English before N and L teaches Arts before J.K does not teach Hindi, so N teaches Hindi.The only subject left is SOCIAL Science which is taught by K.DayTeacherSubjectMondayKSocial scienceTuesdayLArtsWednesdayJScienceThursdayMEnglishFridayOMathSaturdayNHindi Math is taught between Thursday and Saturday.Hence, “Math” is the correct answer.