21:04

6-item AGE problems: How old are they now?

20:36

Basic AGE Problems: Half My Age | Age Gap

9:53

Ratio and Proportion Word Problems

18:11

Civil Service Exam Reviewer: DATA INTERPRETATION

20:37

5-item NUMBER SERIES | set#1

33:55

Time and Work Problems - Shortcuts and Tricks

22:05

Changing Ratios | Word Problems

12:07

Age Problem: Pedro is 24 yrs older than his son. In two years, his age will be twice his son