Complete the sequence - Math Riddle


1=3, 2=3, 3=5, 4=4, 5=4, 6=3, 7=5, 8=5, 9=4, 10=3, 11=? 12=? Can you complete the sequence?

 

6

Explanation :  

6. The numbers present represents the number of letters in the spelling of its corresponding number.