HCU MCA 2015 Paper

Ramesh joined college when his age was (1/5)${}^{\mathrm{th}}$ of his life span. He spent (1/10)${}^{\mathrm{th}}$ of his life span in studies at college. Later (1/9)${}^{\mathrm{th}}$ of his life span was spent as bachelor. He had a son 3 years after his marriage. His son died 5 years before him. Ramesh’s age at death is double his son’s age at death. How many years did Ramesh spend in his married life ?