Question
A sum is lent at 20% pa compound interest. What is the
ratio of increase in the amount in the 4th year to that in the 5th year?Solution
Present ages of P and Q are in the ratio 5:8 respectively. If Q’s age, 14 years hence from now will be 4 times of P’s age, 4 years ago from now, the...
The present average age of Nisha and Arav is 36 years. After 4 years, their ages will be in the ratio 9:11. Find Arav’s age 7 years ago.
Four years ago, the combined ages of Linda and Joan was 56 years. Four years hence, the ratio of their ages will be 4:5. Find the current age of Linda.
16 years ago from now, ratio of ages of ‘R’ and ‘L’ was 3:5, respectively. If ‘L’ is 9 years elder to ‘R’, then what will be the age of ...
Neha was married 5 years ago. In his present age 8/7 times of his age at the time of her marriage. Her son’s age is 1/8 times of her present age, ...
‘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 age of A and his son is 9:2. If the difference of their ages 7 year ago is 21, then find the sum of ages of A and his son 13 year hence?
The present ages of A and B are in the ratio 2:3. After 6 years, their ages will be in the ratio 4:5. Find B’s present age.
The ratio of the present ages of ‘A’ and ‘B’ is 8:3. If the present age of ‘B’ had been 10 years more, then his present age would have been ...
The ratio of the present ages of father and his son is 7:5. The product of their ages 3 years ago was 32 times of his son’s age that year. What was so...
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