Quantitative Formulas and Tips for SBI PO 2015 Part-1

Quant SBI
In this article we have consolidated formulas for 5 chapters, will be soon coming up with Part II which would be covering the remaining chapters. Till then utilize these Formulas and shortcuts, do keep them for last minute revision. Be kind enough to share it with your friends!

Being all set and prepared for competitive exams is a feeling that everyone wants to be acquainted with. Last minute anxiety and tension will, of course, be hard to get rid of. However, you can rid yourself of these feelings to a great extent by preparing to the fullest for the quantitative/quant/QT section of the paper. Keeping in view these factors, the following few formulae and tricks have been outlined for quicker solving of problems-
1. Percentages, Profit and Loss:
It is a topic that appears often in several competitive exams. It is an easy topic with few formulae, but seemingly easy questions can often be confusing. The following formulae will certainly prove to be useful-
  • When selling price is greater than cost price, the seller makes a profit (also called gain)
2. Progressions:
Progressions are a form of series. There are three major types. These are Arithmetic, Geometric and Harmonic progressions. We even have combinations of progressions such as Arithmetic-Geometric progression).
  • An arithmetic progression (AP) is a series where each term differs from the previous term by a common difference.
3. Ratio and Proportion
This is one of the simplest chapters. Even the formulae are simple.
4. Simple and Compound interest:
5. Number System:
It is a chapter where problems can be made as tough as possible to challenge the candidates to the fullest. The trick is to find a method to make calculations easier. There are numerous tricks to solve these problems. Following are just a few of them-

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