Question 1
5 years ago, the ratio of Anup's age to Phalguni's age was 7:1. Currently, the ratio is 10:3. Find Anup's present age.
Let present ages be 10k and 3k
5 years ago: (10k-5)/(3k-5) = 7/1
Solving gives k = 5, so Anup = 50
5 years ago: (10k-5)/(3k-5) = 7/1
Solving gives k = 5, so Anup = 50