Submitted by Atanu Chaudhuri on Sun, 01/09/2019 - 17:40

This is the solution of the first 5 problems in * SSC CGL Solution set 81 on Algebra 17* from suresolv.com and is rich in learning. The concepts and methods used for quick easy solutions are explained with clarity.

For smart and quick solutions the most important skillset is to discover useful patterns and use the associated methods. A few of the important patterns and methods used are, interaction of inverses, sum of inverses conversion, coefficient comparison technique, three variable sum of cubes, indices, units digit behaviour and mathematical reasoning.