Question

Which ratio is the odd one out?

Odd one out =
:
2:6
1:3
10: 30
7:22
5:15
[2]

Answer 1

Explanation:

2:6 = 1:3

1:3 = 1:3

5:15 = 1:3

only

7:22

cannot be reduced to 1:3.

odd one out = 7:22