Think at basic level #2
Mrs. Sharma gave an exam in mathematics class of 5 students . She entered the scores in random order into a spreadsheet, which recalculated the class average after each score was entered . Mrs. Sharma noticed that after each score was entered, the average was always an integer. The scores were 71 , 76 , 80 , 82 , and 91 . What was the last score Mrs. Sharma entered.