Strategy To Improve Calculation Speed In Quantitative Aptitude For SBI Clerk 2020

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Quantitative Aptitude is one of the most significant section in most of the banking examination. With greater significance, the level of difficulty of this section like other sections of the examination is increasing. What makes this section a time consuming and complex is the calculation that is needed to maximize your performance. Calculation speed is the uphill battle for most of the student. If you get a good command over calculation, you will not only save your time during exam but will also have an edge over other students in the exam.

This article is dedicated to SBI Clerk Quantitative Aptitude’s calculation speed to provide you an edge over the exam. SBI Clerk is a two stage recruitment consisting of Prelims as well as Mains followed by LPT (Language Proficiency Test). Quantitative Aptitude carries 35 and 50 marks in Prelims and Mains stage respectively. It’s relevance can not be ignored. So, it is of utmost importance to make a hold over this section.

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Why calculation speed is important?

Topics like DI, Simplification and Approximation, Inequalities, etc are the most scoring in Quant section but demands excellent calculative skills to get through but if you lack calculation speed and skill, this section will become a gordian knot to deal with.
Calculation speed will give you an edge over other students in cracking the exam.
Speed and accuracy is the key to succeed in any competitive exam. It will save your time and hence you will be able to solve more questions in time with accuracy.
It will also improve your mental ability.

How to Increase Calculation Speed for SBI Clerk Exam?

Most of the student find calculation as time consuming and tough, while few of them make it within seconds. This is due to the mindset. Although, it is true that calculations can be made easier, if you continuously keep on practicing the topics. As the main gist of this article is to provide you with tips and tricks to do calculations faster so as you can attempt the maximum number of questions in the Quant Section. So, without making you wait for long, let’s go straight to the point:

Go to the nitty-gritty: Remember the days when you were made to memorize the table? You just have to revive that habits. Learn tables upto 20 and squares and cubes of up to 20. It is crucial that you learn from the scratch rather than jumping to mocks and heavy task all at once. Practice is the key, do as many calculation as possible. To learn table, you can make a box of 20*20 and fill it manually whenever have time, this will help you in memorizing the table easily. Also, grasp the fraction table as well.

Play with Numbers: Try to perform most of the calculations on your own. Check big numbers and practice Average, Subtraction, Multiplications and things can do a good turn in the examinations. You can also check numbers during traveling that will boost your calculation skills

Practice: Consistent practice is also beneficial as with time you will be able to make co-relation between patterns and might develop few tricks and tips of your own to solve particular question that will eventually save your time.

Vedic Maths: Vedic maths is great way to enhance your calculation skills. By knowing, where a particular technique or tricks can be used while solving different questions can help a student in saving time during the examination.

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Here are a few important trick to remember for calculation so as to perform fast calculations while attempting competitive examinations:

1/n Table:

Fraction	Decimal	Percent
1/2	0.5	50%
1/3	0.333…	33.333…%
2/3	0.666…	66.666…%
1/4	0.25	25%
3/4	0.75	75%
1/5	0.2	20%
2/5	0.4	40%
3/5	0.6	60%
4/5	0.8	80%
1/6	0.1666…	16.666…%
5/6	0.8333…	83.333…%
1/8	0.125	12.5%
3/8	0.375	37.5%
5/8	0.625	62.5%
7/8	0.875	87.5%
1/9	0.111…	11.111…%
2/9	0.222…	22.222…%
4/9	0.444…	44.444…%

Three-Digit number technique

If you need to multiply a three-digit number with another three digit number, here are is an example:

Two-digit number technique

Square of Numbers ending with 5

There is the most simple technique to find out the squares. Here is an example:

If you have to find the square of 65, follow the steps:

Multiply 6 with the next number that comes in counting. In this case, it is 6. 6*7=42 which will form the first part of the answer.
Now last part will be simply (5)²=25
So, 65²= 4225

This method works for any size of number. Try it and you will get surprised.

Let’s take example of 205²

20 * 21 = 420 and 5² = 25
So, 205² = 42025

We hope that the method will help you dealing with your calculation speed problem. Remember to keep on practicing as much as you can and get the best out of it. Most of the speed issue can be resolved using more practice. When you keep a consistent approach towards the section, new tricks will get developed. So, keep on taking interest in the section and emerge in flying colors.