Ravi's brother is 3 years older than him. His father was 28 years of age when his sister was born while his mother was 26 years of age when he was born. If his sister was 4 years of age when his brother was born, what were the ages of Ravi's father and mother respectively when his brother was born?
32 years and 23 years
Since Ravi's brother is 3 years senior to him. This means that his brother was born 3 years before he was born. Since his mother was 26 years old when he was born, Ravi's mother age when his brother was born = 26 - 3 = 23 years.
Similarly, his sister was 4 years of age when his brother was born. So, his brother was born 4 years after his sister. At the time of birth of his sister, his father's age was 28 years. So, at the time of brother's birth, father's age = 28 + 4 = 32 years.