Can you pass this Mathematics quiz?
Mathematics
4.52 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
Transport
4.6 M  Players
How was called the first speed train in Japan?
COVID-19
1.15 M  Players
What percentage of alcohol should a sanitizer contain to kill the coronavirus?