A certain sum of money becomes 4 times of itself in 15 years at simple interest. In how many years does it become double of itself at the same rate of s...
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 sum of the present ages of 'P' and 'R' is 70 years. 'y' years ago from now, the age of 'R' was 40% more than that of 'P'. If '2y' years hence from n...
‘A’ is 4 years younger than ‘B’ and 6 years elder than ‘C’. If the present age of ‘B’ and ‘D’ is 28 years and 20 years, respectively...
The ratio of the present age of A to that of B is 7:9. Six years ago the ratio of 1/3 of A’s age at that time and 1/3 of B’s age at that time was 1:...
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 the time of their marriage, the ratio between the ages of Reena and Rahul was 9:10 respectively. After ‘y’ years of their marriage, a daughter wi...
The total age of A, B and C five years hence will be 85 years. Find the age of C four years hence, if the present age of A and B is 32 years and 21 year...
The average ages of A, B and C is 20% more than the average ages of A and B. 10years hence from now, the ratio of the ages of A and C will be 3:5, respe...