Science·Posted on May 24, 2017You Have 10 Questions To Show You Know Basic PercentagesGive it 110%.by Kelly OakesBuzzFeed StaffFacebookPinterestTwitterMailLink There are 10 questions in this test, and there's no time limit. Ready? 1% of 500 Guess I give up! 75% of 40 Guess I give up! 20% of 5 Guess I give up! 10% of 80 Guess I give up! 25% of 44 Guess I give up! 90% of 150 Guess I give up! 20% of 25 Guess I give up! 60% of 55 Guess I give up! 40% of 120 Guess I give up! 14% of 200 Guess I give up! Kelly Oakes is science editor for BuzzFeed and is based in London. Contact Kelly Oakes at kelly.oakes@buzzfeed.com.Got a confidential tip? Submit it here