Can you pass this Mathematics quiz?
Mathematics
3.82 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
3.49 M  Players
Where was the first electric traffic light installed in 1914?
1980s
4.97 M  Players
Who sang the title track of the 80s Bond film The Living Daylights?