Mathematical reasoning

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 67 on Time-Work Work-Wages Pipes-Cisterns 6

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This is the 67th solution set of 10 practice problem exercise for SSC CGL exam and 6th on related topics Time-Work, Work-Wages, and Pipes-Cisterns. 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 66 on Time-Work Work-Wages Pipes-Cisterns 5

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This is the 66th solution set of 10 practice problem exercise for SSC CGL exam and 5th on related topics Time-Work, Work-Wages, and Pipes-Cisterns. 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 59, Fractions square roots and surds 3

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This is the 59th solution set of 10 practice problem exercise for SSC CGL exam and 3nd on topic fractions, square roots and surds. 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 algebra problems in a few steps 14

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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...

SSC CGL level Solution Set 53, Profit and loss 4

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This is the 53rd solution set of 10 practice problem exercise for SSC CGL exam and 4th on topic Profit and loss. Students should complete the corresponding question set in prescribed time first and then only refer to this solution set for extracting maximum benefits from this resource...

Reverse cheque puzzle

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Bhabababu received double the money he wrote in his cheque... His alert mind quickly got to the heart of the mystery. It was a simple but grave mistake made by the cashier...but again, Bhabababu knew what he wrote in his cheque, you don't. Nevertheless, if you devote a bit of interested time, you would surely know. It is not difficult on the surface...

How to solve a difficult SSC CGL level problem on percentage in seconds by conceptual reasoning

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In this session of efficient math problem solving we will show how a difficult SSC CGL level percentage problem can be solved in seconds by using very basic number domain concepts along with basic percentage concepts...

SSC CGL level Solution Set 52, Average 1

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This is the 52nd question set of 10 practice problem exercise for SSC CGL exam and 1st exclusively on topic Averages. 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 a hard CAT level Time and Work problem in a few confident steps 3

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The conventional approach to math problem solving relies heavily on manipulation of terms using low level mathematical constructs without using the problem solving abilities of the student. Following only this approach to solving problems, students may tend to become used to mechanical and procedural thinking suppressing their inherent creative and innovative out-of-the-box thinking abilities. On the other hand, conceptual reasoning without firm mathematical base leads to confusion. In solving hard problems you need to strike a balance. In this third session on hard problem solving we have shown again how to do it...

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