1. Ratio and Proportion 
  2. Partnership 
  3. Mixtures and Allegation 
  4. Average Percentage 
  5. Profit, Loss and Discount Problems on Ages 
  6. Time, Speed and Distance ,Trains, Boats 
  7.  Time and Work 
  8. Pipes and Cisterns 
  9.  Simple and Compound Interest
  10.  Number System 
  11. HCF and LCM Heights and Distances Progressions 
  12. Calendar Clocks Permutation  and Combination Probability