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JasLamba
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JasLamba
Thank you very much mohater.

I appreciate your informative response, it has helped :)

I actually wanted to ask you - what is the "initial look" you have when you see a math problem? What I mean by this is do you have an standardized approach to every single math problem (the first 5-10) seconds? What questions would/do you ask yourself? I know your quite a strategist so I was wondering if you had something with regard to this subject.

Best,
Jas

The approach towards quant can be classified primarily as distinct PS and DS styles, which have their own subclassifications as well. The following is generally how I approach the questions.

1) Some questions need a strong understanding of the fundamentals and basics. You have to know that 0 is neither positive nor negative, but it is even. You must know that you can't divide variable X on both sides of an algebraic equation. These things help a lot on number theory related questions in both PS and DS.

2) Some other questions depend majorly on deriving an equation or putting a formula. The question statement should itself help you chalk out the numbers for the equation/formula. This technique is best used for word problems, algebraic questions, simple statistical/ P&C/ Probability, simple arithmetic and geometric Sequences and Geometry related questions.

3) This is the toughest part. The toughest questions usually involve a mix of the two above. There are fundamentals, such as specific scenarios in counting principles for P&C, relative speed calculations etc and sometimes, the formulas differ as you go along the fundamentals. Some tough geometry questions come into this category as well. Basically, you have to decide the best way to tackle the problem and then, use it properly to jot-down the equation/formula.

Typically, if you have been good at math since your childhood, the numbers automatically pose the challenge and you already know the path you should take to get to the official answer by just looking at the question. If you are stuck, do not panic. Just start applying your basics and the formula should be clear slowly. You'll be able to do this faster with practise.
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