Let the principal = Rs. x, Amount = Rs. 5x, Time = 20 years ∴ Simple Interest = Rs. (5x – x) = Rs. 4x Rate = [(4x × 100)/(x × 20)]% p.a. = 20% p.a. Now, Principal = Rs. x, Amount = Rs.2x, Rate = 20%p.a. Simple Interest = Rs. (2x − x)= Rs. x ∴  Time = (x × 100)/(x × 20) = 5 years.
Eight years ago, the ratio of the ages of Rohan and Sohan was 5:6, respectively. Five years hence, the ratio of the ages of Mohan and Sohan will be 6:7,...
Present ages of P and Q are in the ratio 4:7 respectively. If Q’s age, 15 years hence from now will be 6 times of P’s age, 6 years ago from now, the...
B is 3 years older than A and A is 6 years older than C. If the sum of the age of A and C is 26 years, then find the sum of the ages of all three.
What is the value of 'x' such that, given their current ages are in a 3:7 ratio, 'x' years ago, the ratio of 'Adarsh' and 'Malik's ages was 1:3, and if ...
The present age of Raj is 10% less than that of Pranay. Pranay is two years younger than Queen. Ten years ago, the average of the ages of Queen and Raj ...
A lad was asked his age by his friend. The lad said “The number you get when you subtract 25 times my age from twice the square of my age wi...
A girl’s age is 125% of what it was 10 years ago, but 75% of what it will be after 10 years. What is her present age?
The ages of A, B and C together are 62 years. B is twice as old as A and C is 6 years older than A. What is the difference between ages of B and C?
If the ratio of the ages of Karan and Saroj is 5 : 7. 8 years ago, the ratio of their ages was 2 : 3. Find the present age of Saroj?
‘A’, ‘B’, ‘C’, ‘D’ and ‘E’ are five friends and their average age is ____ years. At present the age ‘A’ is half of the age of â€...
