Problem on Ages

Q1: The ratio of ages of A and B is 5: 7 after 20 years the ratio of ages of A and B will be 9: 11. What is the present difference between their ages?

Q2: The ratio of ages of mother and the daughter at present is 3 : 1. Four years earlier, the ratio was 4 : 1. What is the present age of the daughter? 

Q3: Raman's present age is three times his daughter's present age and nine-thirteenth of his mother's present age. The sum of the present ages of all of them is 125 years. What is the difference between the Raman's daughter's present age and Raman's mother's present age?

Q4: The sum of the ages of 4 members of a family 5 years ago was 94 years. Today, when the daughter has been married off and replaced by a daughter-in-law, the sum of their ages is 92. Assuming that there has been on other change in the family structure and all the people-are alive, what is the difference in the age of the daughter and the daughter-in-law? 

Q5: The ratio of the present age of Manisha and Deepali is 5:X. Manisha is 9 years younger than Parineeta. Parineeta’s age after 9 years will be 33 years. The difference between Deepali's and Manisha's age is the same as the present age of Parineeta. What should come in place of X? 

Q6: In 1930, a person's age was 8 times that of his son. In 1938, the father's age became ten times that of his son's age in 1930. The ages of the son and father in 1940 were, respectively 

Q7: The age of a man is three times the sum of the ages of his two sons. Five years hence, his age will be double of the sum of the ages of his sons. The father's present age is 

Q8: Ten years ago, Ashish was half as old as Ishita but the ratio of their current age is 3: 4. Find the sum of their current ages.

Q9: When the average age of a couple and their son was 56 years, the son got married and became father of a child after one year. When the child became 6 years old, the average age of the family became 48 years. What was the age of daughter-in-law at the time of marriage?

Q10: Three years ago Sudha’s age was one – seventh of her father’s age. 6 years hence, the sum of their united ages will be 42 years. Find the present age of Sudha.