Competitive tests

How to solve a difficult surd algebra question by repeated componendo dividendo in a few steps 17

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The problem we have chosen this time is to highlight, Importance of recognition of simplifying powerful patterns inherent in a difficult problem, the power of Componendo dividendo to speed up solution considerably, and the unfailing effectiveness of principle of interaction of inverses if you can recognize its presence and apply it...

Bank PO type high level floor stay reasoning puzzle solved in quick steps 4

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In this fourth session on reasoning puzzles for Bank PO exams, the puzzle chosen is a floor stay puzzle that has fairly large number of conditions as well as is a three variable reasoning puzzle that is not easy. Majority of the basic and advanced patterns and methods for reasoning puzzle solving needed to be used for quick solution of this well-formed tricky problem...

SSC CGL Tier II level Question Set 15, Geometry 4

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This is the 15th question set of 10 practice problem exercise for SSC CGL Tier II exam and the 4th on topic Geometry. A few of the problems look simple but deceptively so. In the same way, a few of the problems seem to be quite difficult, but can be solved quickly by identifying key geometric patterns and applying corresponding methods that are based on core concepts...

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