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Data sufficiency questions primary concern is to test how well you can reason quantitatively. This differs widely from quantitative section, Quant section tests your ability of manipulating numbers whereas data sufficiency tests your reasoning ability. What you shouldnt be doing while solving data sufficiency questions is wasting lot of time in manipulating numbers.If you are spending enormous time in solving DS problems then you are going wrong somewhere.
Concepts necessary to solve DS Quest.
The data sufficiency questions covers maths and algebra concepts that are taught in High schools and colleges. In addition to basic arithmetic, you can expect questions testing your knowledge of averages, fractions, decimals, algebra, factoring, and basic principles of geometry such as triangles, circles, and how to determine the areas and volumes of simple geometric shapes. The Answer ChoicesThe answer choices are summarized below as you will see them on the CAT exam. Its better to memorise this before taking CAT so that you can devote this time in other sections.
Use Process of EliminationIf statement 1 is insufficient, then choices A and D can immediately be eliminated. Similarly, if statement 2 is insufficient, then choices B and D can immediately be eliminated. If either statement 1 or 2 is sufficient on its own, then choices C and E can be eliminated.
