The age difference between two brothers is 6 years. After 6 years the ratio between the age is 8 : 5. What would be the sum of their present ages?
The difference between simple and compound interests compounded annually on a certain sum of money for 4 years at 6.5% per annum is Rs. 1191. What is the value of the sum?
The present ages of A,B and C are in proportions 4:5:6. Eight years ago, the sum of their ages was 66. What is the sum of present age of A and C?
Solve this without paper and pen?
There are two numbers with the difference of 3 between them and difference of their squares is 51. Can you find the number?
