In a case, a detective has to find a secret code that is a ratio. Hint to that ratio is that is resulting ratio when among two numbers whose ratio is 4: 5, first is increased by 20% and the second is decreased by 20%. Help the detective to find the ratio of the resulting numbers. 1. 4:5 2. 5:4 5:6 3. 4. 6:5 5:3 5.