Reverse substitution technique

How to solve a difficult SSC CGL level problem in a few conceptual steps, Trigonometry 8

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This problem in contrast to the earlier one looked difficult. The challenge was on - would we be able to achieve its elegant solution? Not always we know about the end in the beginning of our journey, but finally concept based strategic approach provided the initial breakthrough and then led us to the elegant solution in a few more steps...

SSC CGL Tier II level Solution Set 9, Algebra 4

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This is the 9th solution set of 10 practice problem exercise for SSC CGL Tier II exam and the 4th on topic Algebra. For maximum gains, the test should be taken first, that is obvious. But more importantly, to absorb the concepts, techniques and deductive reasoning elaborated through these solutions, one must solve many problems in a systematic manner using this conceptual analytical approach. One can learn well only by practicing learning by doing...

SSC CGL level Solution Set 63 on Speed-time-distance Train-running Boats-rivers 3

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This is the 63rd solution set of 10 practice problem exercise for SSC CGL exam and 3rd on topic Speed-time-distance, Train running and Boats in rivers. Students must complete the corresponding question set in prescribed time first and then only refer to this solution set for gaining maximum benefits from this resource...

SSC CGL level Solution Set 57, Algebra 13

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This is the 57th solution set of 10 practice problem exercise for SSC CGL exam and 13th on topic Algebra. For maximum gains, the test should be taken first, that is obvious. But more importantly, to absorb the concepts, techniques and deductive reasoning elaborated through these solutions, one must solve many problems in a systematic manner using this conceptual analytical approach. One can learn well only by practicing learning by doing...

How to solve difficult SSC CGL algebra problems in a few steps 14

thumb_How to solve difficult SSC CGL algebra problems in a few steps 14

Usually we solve difficult Algebra problems in a few steps using basic and rich Algebra concepts together with powerful general problem solving techniques visualizing the solution in the beginning itself. But this problem required more of deductive reasoning, mathematical reasoning, and exploratory application of core algebraic concepts such as symmetry in algebraic expressions, variable number reduction by component expression substitution and secondary term value sharing...

How to solve difficult SSC CGL Algebra problems in a few assured steps 10

thumb_How to solve difficult SSC CGL algebra problems in a few assured steps 10

Algebraic rich concepts and techniques along with general problem solving strategies enable elegant solution to the difficult SSL CGL Algebra problem in this tenth session of algebra problem solving in a few simple steps. But out of two elegant solutions this time, which one should we select? The associated degree of certainty provides us with an usable criterion for choosing the method of solution...

SSC CGL level Solution Set 23, Algebra

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This is the 23rd solution set of 10 practice problem exercise for SSC CGL exam and 8th on topic Algebra. For maximum gains, the test should be taken first, that is obvious. But more importantly, to absorb the concepts, techniques and deductive reasoning elaborated through these solutions, one must solve many problems in a systematic manner using this conceptual analytical approach. One can learn only by practicing learning by doing...

SSC CGL level Solution Set 22, Algebra

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This is the 22nd solution set of 10 practice problem exercise for SSC CGL exam and 7th on topic Algebra. For maximum gains, the test should be taken first, that is obvious. But more importantly, to absorb the concepts, techniques and deductive reasoning elaborated through these solutions, one must solve many problems in a systematic manner using this conceptual analytical approach. Learning by doing is the best learning. There is no alternative towards achieving excellence...

How to solve difficult SSC CGL Algebra problems in a few steps 7

thumb_How to solve difficult SSC CGL algebra problems in a few simple steps 7

The problems in this seventh session of algebra in a few simple steps have ample scope for applying problem solving techniques and basic and rich algebra concepts to solve the problems much faster than conventional methods. This approach should not only help SSC CGL aspirants, but should also give valuable fresh ideas of elegant problem solving to school students. Additionally, Many ways technique for improving problem solving skills is explained through a suitable example...

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