Aptitude

1.  Percentage
2.  Average
3.  Partnership
4.  Profit & Loss
5.  Time & Work
6.  Pipes & Cisterns
7.  Time & Distance
8.  Trains
9.  Boats & Streams
10. Problems on Numbers
11. Problems on Ages
12. Simple Interest
13. Calender
14. Clocks
15. Stocks & Shares