Quicker Objective Arithmetic

Table of contents numbers hcf and lcm fraction simplification unitary method percentage work and time pipes and cisterns distance and time & questions on trains problems based on boats and streams ratio, proportion and proportional division partnership square root and cube root average profit and loss simple interest compound interest alligation area cuboid and cube cylinder and cone sphere stocks and shares data sufficiency interpretation of data statistics to find the wrong term in a number of series problems based on ages ?