30 Dec 2014 Home » Trivia Crack » What is the square root of 121? What is the square root of 121? Posted in Trivia Crack By emoji On December 30, 2014 Question: What is the square root of 121? Choices: 10 11 21 13 Correct answer: 11 Post Views: 195 Related Posts What’s the title of the third novel of the Harry Potter saga? Which day did the United States declare its independence from Great Britain? Which of these is a popular garden flower?