Question

14-9, 17-8, 42-3, 21-6 which one is odd

Answer 1

Answer:

14-9=5 odd,17-8=9 odd,42-3=39odd,21-6=25odd,all odd numbers

Answer 2

14*9=126 17*8=136 42*3=126 21*6=126

all products are 126 except b