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Importance of Vedic Math in CAT 2021 - Best Vedic Maths Tricks to Use in CAT

Abhinav Chamoli
Abhinav ChamoliUpdated On: November 24, 2021 02:53 pm IST | CAT

There are 16 Sutras (formulas) and 13 Sub-Subtras (corollaries derived from the Sutras) in Vedic Maths that will help you increase your speed and accuracy in CAT 2021.

Importance of Vedic Math in CAT 2021

CAT 2021 is all set to be conducted on November 28, 2021. Doing calculations accurately and quickly plays a big role in cracking the Common Admission Test (CAT). Candidates learn important formulas for CAT and practising shortcuts to avoid complex calculations in CAT 2021. 

However, sometimes a complex calculation becomes unavoidable and you have to crunch the numbers to reach a solution. One effective solution to do faster calculations in CAT is Vedic Maths.

What is Vedic Maths?

Vedic Maths is the modern name used for the ancient system of Indian Mathematics. Vedic Maths is a set of 16 Sutras (formulas) and 13 Sub-Sutras (corollaries) that were discovered from the Vedas by Swami Bharati Krishna Tirtha. He developed mathematical principles around these Sutras and Sub-Sutras and published it in 1965 in a book named Vedic Mathematics.

How Vedic Maths Helps Speed Up Calculations in CAT 2021

Vedic Maths is a very important tool to make CAT calculations easy. Being well-versed in the principles of Vedic Maths will help you to understand complex calculations from a different perspective and shorten the time duration of doing calculations. These principles can be quite helpful in your CAT 2021 preparation.

The most use of Vedic Maths in CAT 2021 calculations is in the Quantitative Ability and Logical Reasoning sections. In order to understand how to do it, you must have an understanding of the Sutras. More details have been provided below.

Vedic Maths Sutras in CAT 2021

Given below is all of the information about the Vedic Maths Sutras important in CAT 2021.

Sutra 1: Ekadhikena Purnvena Meaning, Application and How to Use





Sutra 1

Ekadhikena Purnvena

By one more than the previous one.

  • Squaring numbers ending in 5

  • Calculating the value of vulgar fractions whose denominators end in 9

Sutra 2

Nikhilam Navatashcaramam Dashatah

All from 9 and the last from 10

  • Multiplication of numbers close to 10, 100, 1000...etc.

  • Division by 9

Sutra 3

Urdhva Tiryagbyham

Vertically and Crosswise

  • Multiplication and division of large numbers

Sutra 4

Paraavartya Yojayet

Transpose and Apply

  • Division of numbers when divisors is slightly greater than 10, 100, 1000... etc.

Sutra 5

Sunyam Saamya Samuccaye

Equated to Zero

  • Used in several different places where some of the identities are equated to 0

Sutra 6

Anurupye - Sunyamanyat

If one is in ratio, the other one is zero.

  • Solving simultaneous linear equations

  • Finding out the product of two numbers when both close to the same base

Sutra 7

Sankalana - Vyavakalanabhyam

By addition and by subtraction.

  • Solving simultaneous equations where x and y coefficients are interchanged.

Sutra 8


By completion or by non-completion.

  • Finding the roots of quadratic equations.

Sutra 9

Chalana - Kalanabhyam

Sequential motion.

  • Factorising 3rd, 4th and 5th-degree expressions.

Sutra 10

Ekanyunena Purvena

One less than the previous one.

  • Multiplications of numbers such as 9/ 99/ 999... etc.

Sutra 11


The deficiency.

These all Sutras have various applications in different contexts and are often also applied along with the above-mentioned Sutras.

Sutra 12VyastisamashtihWhole as one and one as whole.
Sutra 13Sesanyan Kena CaramenaRemainder by the last digit.
Sutra 14SopantyadvayamantyamUltimate and twice the penultimate.
Sutra 15GunitasamuccayahThe whole product is the same.
Sutra 16Gunaka SamuccayahCollectivity of multipliers.

Also Read:List of MBA Colleges Accepting 50-60 Percentile in CAT 2021

Vedic Maths Sub-Sutras in CAT 2021

Sub-Sutras are corollaries or derivations of the original Sutras. They generally mould the sutras and apply them to special cases of calculations.

The following table contains important information regarding the 13 Vedic Maths Sub-Sutras used in CAT calculations.

No.NameParent SutraMeaning


Sub-Sutra 1


Ekadhikina Purvena


  • Finding the product of two numbers that are close to powers of 10 (10/ 100/ 1000 etc.)

Sub-Sutra 2



The first by the first and the last by the last.

  • Factorization of quadratic equations

  • Multiplying terms containing two different units (eg. ft. and in)

Sub-Sutra 3

Yavadunam Tavadunikrtya Varganca Yojayet


Whatever the deficiency, subtract that deficit from the number and write alongside the square of that deficit

  • Finding squares/cubes of numbers close to 10, 100, 1000...etc.

Sub-Sutra 4

Antyayor Dasakepi


Sum of last digits is 10.

  • Multiplication of numbers whose last digits add up to 10, 100, 1000... etc. if the remaining digits are the same. (eg. 64x66, 783x717 etc.)

Sub-Sutra 5


Chalana - Kalanabhyam

Only the last terms.

  • Solving special types of algebraic equations.

Sub-Sutra 6

Lopana Sthapanabhyam


By alternate elimination and retention.

  • Solving 2nd-degree homogenous equations with 3 variables.

  • Finding HCF of algebraic equations.

Sub-Sutra 7


Sesanyan Kena Caramena


  • Solving problems by making simple observations. Can be applied in:

    • Partial Fractions

    • Simultaneous Linear Equations

    • Simultaneous Quadratic Equations

Sub-Sutra 8

Gunita Samuccayah-Samuccaya Gunitah


The product of the sum of coefficients is equal to the sum of coefficients in the product.

  • Factorization and solving of algebraic equations.

Sub-Sutra 9

Sisyate Sesasamjnah

Nikhilam Navatashcaramam Dashatah

All from 9 and last from 10.

  • A corollary of Nikhilam Navatashcaramam Dashatah.

Sub-Sutra 10

Kevalaih Saptakam Gunyat

Paraavartya Yojayet

In case of 7 multiplicands should be 143.

  • Division based on 1/7 = 0.142857 (approx. 0.143)

Sub-Sutra 11


Sunyam Saamya Samuccaye

By osculation.

  • Perform divisibility checks for numbers.

Sub-Sutra 12

Yavadunam Tavadunam

Anurupye - Sunyamanyat

Lessen by the deficiency.

  • Finding the cube of a number that is close to the powers of 10 such as 10, 100, 1000...etc.

Sub-Sutra 13



By the deficiency.

  • Used in special cases.

Also Read:What is a Good CAT 2021 Percentile/ Score? - Check Here

Using Vedic Maths in CAT 2021

For a candidate who has never made use of Vedic maths to solve questions before, it will seem very difficult and confusing at first. This is because it is quite different from the traditional methods of calculation that we are used to. One more reason why it can seem a bit difficult is that sometimes it has very specific uses (For eg. Kevalaih Saptakam Gunyat).

However, with regular practice, it will not only increase your speed of calculations many times but also make them more accurate. And while the methods used in Vedic Maths may seem chaotic and disorganised, each Sutra has an algebraic derivation and proof, which you can study if you are curious.

Advantages of Using Vedic Maths in CAT 2021

There are a number of advantages of using Vedic Maths to solve calculations in CAT 2021. Check the points below.

  • Significantly increases speed and accuracy.

  • Makes solving two of the most time-consuming sections in CAT -- QA and LR -- easier.

  • Provides an alternative way to cross-check questions in CAT 2021.

  • Practising Vedic Maths increases your analytical and logical thinking ability.

Also, check some of our other amazing articles on CAT preparation.

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Practise using Vedic Maths tips and tricks for CAT 2021 in the CAT Mock Tests and Previous Year Question Papers and see the improvement yourself. Once you give the CAT 2021, you can use the CAT 2021 Rank Predictor to get an idea of the percentile you will score. After the announcement of CAT 2021 results, you will also be able to check which college you can expect to get with the help of CAT 2021 College Predictor

If you have any queries regarding CAT 2021, ask them on the CollegeDekho QnA Zone. Apply to MBA colleges easily through the Common Application Form (CAF) or call our helpline number 18005729877 to schedule a free counselling session.


In which sections of CAT can Vedic Maths be used?

The main application of Vedic Maths is in the Quantitative Ability and Logical Reasoning sections.

What kind of calculations can be solved using Vedic Maths formulas?

Vedic Maths formulas can be used to solve many different kinds of calculations such as quadratic equations, simultaneous equations, multiplication and division of large numbers, calculating HCF etc.

What is the advantage of using Vedic Maths in CAT 2020?

Using Vedic Maths in CAT 2020 can not only help in increasing your speed of calculations but also improve accuracy in the exam. It can have a positive impact on your confidence to crack the CAT and improve your logical thinking skills.

How many Vedic Maths Sutras can be used in CAT 2020?

There are a total of 16 SUtras and 13 Sutras in Vedic Maths that can be used in CAT 2020.

What is Vedic Maths?

Vedic Maths, as we know it, is a set of Sutras (or formulas) derived from the Atharva Veda. These principles are very useful in making calculations quicker and easier.

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