Quantitative Aptitude Notes Squares, Square Roots, Cube, Cube RootsMultiply , Divide, Addition & SubtractionApproximationEquationsSeriesRatio and Proportion, AveragePercentageProfit & LossDiscountS.I & C.I.MensurationNumber TheoryTime & WorkPipes & CisternsSpeed, Distance and TimeBoats and StreamsPermutation & CombinationProbability