Quant Aptitude
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Present ratio becomes after years. The multiplier is
(take absolute values top and bottom). Present ages are then and . Works for "t years ago" too.
The ratio of the present ages of a mother and her daughter is 7:3. When the mother was 26 years old, the daughter was 6 years old. Find the present age of the mother.
Ten years ago, the ratio of the ages of A and B was 3:2. The sum of their present ages is 80 years. What is the present age of A?
A father said to his son, "I was as old as you are at present at the time of your birth." If the father's age is 38 years now, what was the son's age five years back?
The ratio of the ages of Priya and Riya is 3:2. Five years ago, the ratio of their ages was 5:3. What will be the ratio of their ages 5 years from now?
The present age of a man is 3 times the sum of the ages of his two sons. Five years hence, his age will be double the sum of the ages of his sons. What is the present age of the father?
A is two years older than B who is twice as old as C. If the total of the ages of A, B, and C is 27, then how old is B?
Three years ago, the average age of A, B, and C was 27 years and that of B and C 5 years ago was 20 years. What is A's present age?
The product of the present ages of Ankit and Rohan is 750. If the ratio of their present ages is 6:5, what is the difference between their ages?
The ratio of the ages of a father and his son 10 years hence will be 5:3, while 10 years ago, it was 3:1. What is the ratio of the age of the son to that of the father today?
The present ages of A and B are in the ratio 3 : 5. After 10 years, the ratio will be 5 : 7. What is A's present age?
The ratio of A's age to B's age is 5 : 4. A will be 33 years old after 3 years. How old was B five years ago?
A father is 4 times as old as his son. After 16 years, he will be twice as old as his son. What is the father's present age?
The average age of A, B and C is 30 years, and the average age of A and B is 26 years. How old is C?
A is 2 years older than B, who is twice as old as C. If the total of the ages of A, B and C is 27 years, how old is B?
The present age of a mother is three times that of her daughter. After 12 years, the mother's age will be twice the daughter's age. What is the daughter's present age?
Six years ago, the ratio of the ages of P and Q was 3 : 4. Four years from now, it will be 4 : 5. What is Q's present age?
The ages of X and Y are now in the ratio 7 : 9. Eight years ago, the ratio was 5 : 7. What will the ratio be 8 years from now?
The ratio of the ages of A and B is 3 : 5, and the sum of their ages 6 years from now will be 60. What is B's present age?
The sum of the ages of a mother and her daughter is 50 years. Five years ago, the mother was 7 times as old as the daughter. What is the mother's present age?
A is twice as old as B was 10 years ago. If A is now 9 years older than B, what is B's present age?
Five years ago, a father was 5 times as old as his son. Five years from now, he will be 3 times as old as his son. What is the ratio of their present ages?
When Rohan was born, his father was 28 years old. The father is now 3 times as old as Rohan. What is the father's present age?
Two siblings differ in age by 6 years. Three years ago, the elder was twice as old as the younger. How old is the elder sibling now?
A husband and wife had an average age of 23 years when they married. Five years later, they have a 1-year-old child. What is the average age of the family now?
The average age of an 8-member committee is 36 years. A 50-year-old member retires and is replaced by a 26-year-old. What is the new average age?
Five years ago, the average age of A and B was 20 years. Now the average age of A, B and C is 25 years. How old will C be 10 years from now?
The ages of A, B and C are in the ratio 3 : 5 : 7. If their average age after 4 years will be 29, what is the difference between C's and A's present ages?
The sum of the present ages of a father and his son is 60 years. Six years ago, the father's age was five times the son's age. What will the son's age be after 6 years?
The ratio of a father's age to his son's age is 7 : 3, and the product of their ages is 756. What will the ratio of their ages be after 6 years?
A man's present age is 125% of what it was 10 years ago, but 83 1/3% of what it will be 10 years from now. What is his present age?
A says to B: 'When I was your present age, you were 12. When you reach my present age, I will be 36.' What is A's present age?
The average age of a family of 5 is 24 years. If the youngest member is 8 years old, what was the average age of the family at the youngest member's birth?
The captain of an 11-member team is 26 years old and the wicket-keeper is 3 years older. If these two are excluded, the average age of the remaining players is 1 year less than the average age of the whole team. What is the team's average age?
Ten years ago, the ages of P and Q were in the ratio 13 : 17. Seventeen years from now, their ages will be in the ratio 10 : 11. What is Q's present age?