The ratio between the present ages of Vaibhav and Sagar is 5 : 3 respectively. The ratio between Vaibhav’s age 4 years ago and Sagar’s age 4 year hence is 1 : 1 respectively. What is the respective ratio between Vaibhav’s age 4 years hence and Sagar’s age 4 years ago?
1
4 : 1
2
3 : 1
3
2 : 1
4
1 : 3