Aptitude Problems on Ages Concepts and FormulasPoints to remember:1) t years ago the age of A was n_{1} times the age of B, and at present A's age is n_{2} times that of B, then; 2) The present age of A is n_{1} times the present age of B. After t years, age of A becomes n_{2} times the age of B, then; 3) t_{1} years ago, the age of A was X times the age of B and after t_{2} years age of A becomes Y times the age of B, then; 4) The sum of present ages of A and B is X years, t years ago, the age of A was Y times the age of B, then; 5) The sum of present ages of A and B is X years, t years after, the age of A becomes Y times the age of B, then; 6) The ratio of the present ages of A and B is p: q and after t years, it becomes r: s, then; Aptitude Problems on Ages Test Paper 1 Aptitude Problems on Ages Test Paper 2 Aptitude Problems on Ages Test Paper 3 Aptitude Problems on Ages Test Paper 4 Aptitude Problems on Ages Test Paper 5
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