Question

Type 2
3. Which one of the following is not in proportion?
a) 2: 4:: 5:10
c) 12: 1/3:: 1/10: 1/15
b) 5: 3:: 3:5
d) 1/4: 3:: 1/3:4​

Answer 1

1. i think c is te right answer
2. hoe you will understand