Can you pass this Mathematics quiz?
Mathematics
2.06 M People
Took This Quiz
7 is changed to 13. 11 is changed to 21. Then what does 16 become?
32 31 20 17
Hot Quizzes Trending Now
History
2.45 M  Players
Which American performer has sold the most albums worldwide?
Literature
3.95 M  Players
What is the name of the book that became the sequel to Alice in Wonderland by Lewis Carroll?