Scroll down for the answer to the facebook riddle/puzzle
General Knowledge Quiz
Which U.S. state is the Grand Canyon located in?
Which part of the body does an ophthalmologist specialize in?
Who is the author of “A Brief History of Time”?
What is the national animal of Canada?
Which planet is known as the “Red Planet”?
What does the Richter scale measure?
Which fruit is dried to make a prune?
Which famous document begins with “When in the Course of human events…”?
What is the study of mushrooms called?
What is the capital of Thailand?
Answer riddle/puzzle:
100–50+10=60