1 General maths tricks 2 General arthimetic 3 Approximation problems 4 Number series 5 Work and time 6 Simple and compound interest 7 PROFIT AND LOSS ( C.P ,S.P) 8 SPEED RELATED PROBLEMS 9 RATIOS AND PROPOSITIONS 10 AGE RELATED PROBLEMS 11 MENSURATION 12 Quadratic eQUATIONS 13 AVERAGES 14 PERCENTAGES 15 SQuare roots 16 CUBIC ROOTS 17 FRACTIONS 18 PIPE AND CISTERNS 19 MIXTURES AND ALLEGATIONS 20 PROBLEMS ON TRAINS 21 BOATS AND STREAMS 22 PROBABILTIY , 23 quadratic equations 24 DATA INTERPRETATION tricks 25 DATA INTERPRETATION TABLES 26 DATA INTERPRETATION – LINE AND BAR CHARTS 27 DATA INTERPRETATION – PIE CHARTS 28 MODEL QUESTIONS