# How to Prepare for IBPS RRB Assistant Mains Numerical Ability 2017

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How to Prepare for IBPS RRB Assistant Mains Numerical Ability 2017: The Tier II of IBPS RRB Assistant Examination will be held in the month of November 2017Many of the shortlisted candidates have either completed or are in the final phase of IBPS RRB Assistant Mains examination preparation.

For IBPS RRB Mains Examination, a total of 200 questions will be asked from Reasoning, English, General Awareness & Computer. The fifth hurdle will be Maths section, which will check your Quantitative Aptitude skills. Let us help you by sharing our knowledge in the article- How to Prepare for IBPS RRB Assistant Mains Numerical Ability Section 2017.

## How to Prepare for IBPS RRB Assistant Mains Numerical Ability 2017

This article on ‘How to Prepare for IBPS RRB Assistant Mains Maths’ will focus on how we can help aspirants in identifying best preparation tips and techniques which help them in cracking Mains Exam.

### Analyse your Exam Syllabus first

The Maths Section can be cumbersome. So, there can be a chance that you might miss out on a few scoring topics. Analyze your syllabus & initiate accordingly.

#### Important Topics:

1. Simplification
3. Approximation
4. Number Series
5. Data Interpretation – Line Graph, Bar Graph, Mixed Chart, Pie Chart etc.
6. Miscellaneous

These are the most commons topics for Maths Section. The go-to strategy for Mathematics Preparation is

1. Begin with the basics
2. Understand the type of questions asked from a particular topic
3. Find ways to solve them optimally
4. Practice and Practice

So, without any further build-up, let’s have a look at some tips and strategy on How to Prepare for IBPS RRB Assistant Mains Quantitative Aptitude Section 2017

### Learn to use Short Tricks

Remembering short tricks for solving the Quantitative Aptitude section can be a lifesaver because of limited time span for any competitive exam. Memorize and familiarize yourself with tricks that help in solving difficult questions. Try different tricks!!

#### For Example:

##### Trick 1

To begin with, let us solve this basic question. You need to find which one is the higher of the following two –

a)    3% of 234

b)    234% of 3

Most of the students would say that the answer is 234% of 3. Before we give you an answer, let us understand the basics of “Percentage”

We write “%” as (1/100) and the meaning of “of” is ‘Product’ of the given values.  Now,

1. 3% of 234 = (3/100) X 234
2. 234% of 3 = (234 /100) X 3

If you observe this carefully, you will come to understand that both of the above values are equal. This leads to a very important understanding – order does not matter if the values that are in the consideration are equal.

a % of b = b % of a

Trick 2

To begin with, let us solve the following problem –

Population of a village increases by 10% every year for two years in a row. By what percent, the population will increase effectively after two years?
Population at the end of the first year – 100 + 10% of 100 = 110Let us say that the population of the village is 100.

Population at the end of the second year – 110 + 10% of 110 = 121

Hence, the growth of the population in two years = ( ) x 100

=  x 100 = 21 %

Hence the population increases effectively by 21 % after two years.

Now, let us introduce ‘ab’ formula. You should use it when the given value undergoes two successive changes.

Final % change after two successive percent changes  ‘a’ and ‘b’ –      a %+b% +  %
Here in the given problem –  a = 10%, b = 10%

Now, let us use this formula to solve the above mentioned problem

= 10 + 10 + ()

21% (Could you see that we have solved the problem in a single line. Is it not amazing)?

Improve the calculation power of your mind with practise. You can divide complex calculations into parts and solve it in your mind without even using paper. With constant practise you can get better at doing calculations in mind and save a lot of time in exam.

Time Management is a matter of crucial importance when it comes to competitive exams. Learn to finish your attempt within a stipulated time leaving out time for a quick revision.

Practising calculations and memorising  tables, square, cubes and square roots can also enhance you problem solving speed and can help you time your attempt better.

In the initial stages of the start of your preparation, avoid solving questions by shortcut methods.

It’s important to be aware of all the basic theories and formulas from all the chapters. Without a clarity of basics problem solving might get difficult in Tier II.

### Write Precise Notes

Always condense your study notes by creating summary notes. Highlight the key terms and concepts and make sure that you understand them. Summary notes are a great way to aid powerful revisions.

### Make a Good Study Plan

Planning ahead for syllabus completion is a good strategy for the exam. For Quantitative Aptitude preparation, follow a timetable to practice important topics regularly.

Devote a fixed couple of hours each day to quantitative practices.

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