Question

Number 6 plz plz plz help

Answer 1

You could add all the 2nd digits together,

3+5+4+7=19
19 is odd so the sum off all the numbers would be odd

Answer 2

you could tell if it is even or odd by how many number are odd and how many are even...majority wins...

13 odd

45 odd

24 even

17 odd

hope i can help,and have a nice day!! :)