Quantitative Aptitude – Problems on Ages
Solve age comparison and change-over-time problems with age algebra and progressive changes.
1. Basic Approach
Let present ages be variables (e.g., age of A = a, B = b).
Write equations for each statement with time-shifts: "x years ago" → a–x, "y years hence" → b+y.
2. Common Formats
3. Quick Tips
4. Mistakes to Avoid
5. Revision Checklist
Summary: Convert descriptions into simple time-shift equations, solve for variables swiftly, and verify with original statements.