Interesting Question of the Day – 31 July 2019 iqtriviaPosted on July 31, 2019 Posted in Uncategorized According to a 2017 survey, what percent of Australians washed their pillowcases at least once per week? The first new player to comment on the website within 5% of the correct answer wins a free drink at their next iQ Trivia show. ‹ Interesting Question of the Day – 29 July 2019 Interesting Question of the Day – 2 August 2019 › Tagged with: interesting questions, odd statistics, trivia