The respective ratio between the present ages of son, mother, father and grandfather is 2:7:8:12 . The average age of son and mother is 27 yr. What will be mother's age after 7 yr ?

The respective ratio between the present ages of father, mother and daughter is 7:6:2 The difference between mother's and the daughter's age is 24 years. What is the father's age at present ?

The ratio between the ages of father and son is 5:2 . If the difference between their ages is 27 years, what will be the father's age after 6 years ?

The average age of a man and his son is 27 yr . The ratio of their ages is 8:1 , respectively. What will be the son's age after 6 yr ?

At present the average of the ages of a father and a son is 25 years. After seven years the son will be 17 years old. What will be the age of the father after 10 years ?

In a family, the average age of father and mother is 38 yr whereas the average age of father, mother and their only daughter is 28 yr. Then, the age of the daughter is

The ratio of the present ages of a son and his father is 1:5 and that of his mother and father is 4:5 After 2 years the ratio of the age of the son to that of his mother becomes 3:10 . What is the present age of the father ?