Question

Check whether the following ratios are in proportional or not
1. 6:18 and 100: 300
2. 5:35 and 4:28
3. 30: 15 and 20:40
4. 100: 1000 and 2000 : 500​

Answer 1

Answer:

1. yes

2. yes

3. no

4. no

if this is wrong pls tell me