Question

Which one of the following is not in proportion ?


3 , 6 , 7 , 14

81 ,18 , 810 , 180

4 , 10 , 12 , 36

12 , 4 , 3 , 1​

Answer 1

Answer:

3) 4 , 10 , 12 , 36

I think it's correct.