Working backwards approach

NCERT solutions for class 10 maths Trigonometry set 4

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With initial problem analysis and application of trigonometric expression simplifying and problem solving strategies, the problems chosen in this fourth NCERT trigonometry problem solving session could be solved in a few easy steps. Problem solving approach leads to quick solutions in minimum number of steps...

How to solve arithmetic boundary condition problems in a few simple steps

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A simple or compound event (consisting of more than one event) goes on happening systematically at regular intervals till a point just before the end. With each occurrence of the event problem parameters change. The end is reached before the full impact of the event along with the change can happen. This is the boundary to be found out before solving the problem...

SSC CGL Tier II level Solution Set 10, Time-work Work-wages Pipes-cisterns 1

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This is the 10th solution set of 10 practice problem exercise for SSC CGL Tier II exam and the 1st on topics Time-work, Work-wages and Pipes-cisterns. 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 49, Time and work problems in simpler steps 4

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This is the 49th solution set of 10 practice problem exercise for SSC CGL exam and 4th on Time and Work in simpler steps. Students must complete the corresponding question set in prescribed time first and then only refer to this solution set for extracting maximum benefits from this resource...

SSC CGL level Solution Set 48, Time and work problems in simpler steps 3

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This is the 48th solution set of 10 practice problem exercise for SSC CGL exam and 3rd on Time and Work in simpler steps. Students must complete the corresponding question set in prescribed time first and then only refer to this solution set for extracting maximum benefits from this resource...

How to solve difficult SSC CGL Geometry problems in a few steps 2

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Applying Basic Geometry concepts together with general problem solving strategies and techniques produce elegant solutions in difficult Geometry problems just as in Algebra or Profit and loss. In this second episode of Geometry problem solving in a few steps we will analyze solution process of four chosen geometry problems...

How to solve difficult Algebra problems in a few simple steps 5

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In this fifth session on Algebra problem simplification taking up two complex algebra problems of SSC CGL level, we have explained the nature and practical use of elegant problem solving in a few steps in contrast to longer time-consuming conventional solutions. The problem solving strategies coupled with use of basic and rich algebraic concepts should not only help SSC CGL aspirants, but also give a push to enthusiastic school students in taking the path of innovative thinking...

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