IBPS PO RRB PO Prelims 6 Aug 2023 Shift 1 Paper

When Rony was born the ratio of ages of his Father and grandfather is 7 : 15. After 4 years of Rony's birth the ratio of Rony and Rony's grandfather is 1 : 16. Then find the ratio of ages of Rony's father and mother when Rony was born if Rony's mother was 22 year old at the time of Rony's birth.