Number System Tips and Tricks- Download PDF Here

Quantitative aptitude is an integral part of almost all the competitive examinations. With the various exams being announced, it is high time to start preparing for the exams. Here we brought for you Number System Formula and Tricks. This complete e-book will help you in understanding the Number system much more ease and convenience. This will help you prepare for various exams like SSC CPO, IBPS Clerk, RBI Grade B, IBPS PO. In this e-book,  you will find all the relevant inputs that are needed to tame this part of Quantitative aptitude.

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Once you are through the Number System Formula and Tricks, you will be able to solve the questions relevant to exams with much efficiency.

Download the Number System Formulas and Tricks from the below link:



How To Download the eBook – Follow Steps Here

Step 1: Click on the below-given download link. You will be taken to Oliveboard’s FREE Ebooks Page

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Step 2: Register/Login on to the Free E-Books Page of Oliveboard (It is 100% free, You just enter your valid email id and a password to be able to download the Number system formula ebook).

Step 3: After Logging in, you will be able to see the eBook as mentioned below, or also you can scroll down and check for the ebook.

number system formulas

Number System Formula and Tricks – Sneak Peek

  1. Divisibility Test:
Numbers IF A Number
Divisible by 2 End with 0,2,4,6,8 are divisible by 2
Divisible by 3 Sum of its digits is divisible by 3
Divisible by 4 Last two digit divisible by 4


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2. Sum Rule

  1. (a + b)(a – b) = (a2– b2)
  2. (a + b)2= (a2 + b2 + 2ab)
  3. (a – b)2= (a2 + b2 – 2ab)

Get the detailed Formulas and tricks from below link.


We hope this blog helps you in clearing all the doubts related to the number system and allows you to ace the chapter in Quantitative Aptitude. For more chapter focussed study material stay tuned to Oliveboard.

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