Fossils are typically found in sedimentary rocks, formed by the compression of sediments over time. These rocks preserve the remains of plants, animals, and microorganisms.
The ratio of the ages of A and B is 3:5. After 5 years, the ratio will be 7:11. Find the present age of B.
Currently, the ages of 'P' and 'Q' are in the ratio of 4:9. 'Y' years in the past, the ratio of their ages was 1:3. Three years from now, 'P' will be ha...
In two years, the grandson's age will be one-quarter of the grandfather's age. Three years ago, the grandfather was five times as old as the grandson. ...
The ratio of age of A and his son is 5:2. If the difference of their ages 4 year ago is 21, then find the sum of ages of A and his son 9 year hence?
At present Meena is eight times her daughter’s age. Eight years from now, the ratio of the ages of Meena and her daughter will be 9 : 2 respective...
The average age of 26 children and their teacher's age are 22 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
The current ages of Shivani and Shilpa are in the ratio 7:5. Shipra's present age is 20% more than what Shilpa's age was five years ago. If the average ...
A’s age is 120% of what he was 5 years ago, But 40% of what it will be after 5 years. What is his present age?
The ratio of the present ages of father and his son is 5:2. The product of their ages 4 years ago was 31 times of his son’s age that year. What wa...
Seven years ago, the sum of the ages of a mother and her daughter was 46 years. The ratio of their present ages is 3 : 1. What is the present age of the...