October 28, 2024
Overview: What are the important formulas for CAT exam 2024? Is the Quantitative section of the CAT exam tough? Read on to know the complete details.
So, continue reading to learn the most CAT Important Formulas 2024 with us!
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The quantitative section of the CAT exam evaluates candidates' problem-solving abilities through topics such as Algebra, Arithmetic, Number Systems, Geometry, and Miscellaneous. It consists of 22 questions covering different topics.
While you may already be familiar with these formulas from high school, revising them is crucial to enhance your CAT exam preparation. Here is the list of the most important formulas of CAT exam for quantitative aptitude.
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Download Free QA Section Daily Study Plan by Supergrads
Learning the CAT quant formulas can help you understand from the basics. So, here are the important CAT exam formulas for number system:
Description |
Formulas |
Difference of Squares |
(a + b)(a - b) = a² - b² |
Square of a Binomial (positive) |
(a + b)² = a² + 2ab + b² |
Square of a Binomial (negative) |
(a - b)² = a² - 2ab + b² |
Square of a Trinomial |
(a + b + c)² = a² + b² + c² + 2ab + 2bc + 2ca |
Sum of Cubes |
(a³ + b³) = (a + b)(a² - ab + b²) |
Difference of Cubes |
(a³ - b³) = (a - b)(a² + ab + b²) |
Factorization of a³ + b³ + c³ - 3abc |
(a³ + b³ + c³ - 3abc) = (a + b + c)(a² + b² + c² - ab - bc - ca) |
Special case for a + b + c = 0 |
When a + b + c = 0, then a³ + b³ + c³ = 3abc |
Sum of first n natural numbers |
1 + 2 + 3 + ... + n = n(n + 1) / 2 |
Sum of squares of first n natural numbers |
1² + 2² + 3² + ... + n² = n(n + 1)(2n + 1) / 6 |
Sum of cubes of first n natural numbers |
1³ + 2³ + 3³ + ... + n³ = (n(n + 1) / 2)² |
Sum of first n odd numbers |
Sum of first n odd numbers = n² |
Sum of first n even numbers |
Sum of first n even numbers = n(n + 1) |
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Understanding the CAT formulas for profit and loss can be a plus point to boost your preparation for the main day. Here are some important CAT exam formulas you should focus on:
S.No. |
Formulas |
1. |
Profit = Selling Price (SP) - Cost Price (CP) |
2 |
Loss = Cost Price (CP) - Selling Price (SP) |
3 |
Profit Percentage = (Profit / Cost Price) * 100 |
4 |
Loss Percentage = (Loss / Cost Price) * 100 |
5 |
Selling Price = (100 + Profit Percentage) / 100 * Cost Price |
6 |
Selling Price = (100 - Loss Percentage) / 100 * Cost Price |
7 |
Cost Price = 100 / (100 + Profit Percentage) * Selling Price |
8 |
Cost Price = 100 / (100 - Loss Percentage) * Selling Price |
9 |
Discount = Marked Price - Selling Price |
10 |
Discount Percentage = (Discount / Marked Price) * 100 |
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Category |
Formulas |
Speed |
Speed = Distance / Time |
Distance |
Distance = Speed * Time |
Time |
Time = Distance / Speed |
Average Speed (constant distance) |
Average Speed = 2xy / (x + y) |
Work |
Work Done = Time Taken * Rate of Work |
Work |
Rate of Work = 1 / Time Taken |
Work |
Time Taken = 1 / Rate of Work |
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S.No. |
Formulas |
1 |
Percentage= (Part / Whole) * 100 |
2 |
Percentage Increase= [(New Value - Old Value) / Old Value] * 100 |
3 |
Percentage Decrease= [(Old Value - New Value) / Old Value] * 100 |
4 |
Profit Percentage = (Profit / Cost Price) * 100 |
5 |
Loss Percentage = (Loss / Cost Price) * 100 |
6 |
Markup Percentage = (Markup / Cost Price) * 100 |
7 |
Discount Percentage = (Discount / Marked Price) * 100 |
Downlaod Free QA Sample Questions for CAT Exam
S.No. |
Formulas |
1. |
Work Done = Time Taken × Rate of Work |
2. |
Rate of Work = 1 / Time Taken |
3. |
Time Taken = 1 / Rate of Work |
4. |
Total Work = Number of Days × Efficiency |
5. |
Efficiency = Work / Time |
6. |
M1D1H1W2 = M1D2H2W1 |
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S.No. |
Formulas |
1 |
Simple Interest = (P * R * T) / 100 |
2 |
Amount in Simple Interest = P + SI |
3 |
Compound Interest (Annual Compounding) = P [(1 + R/100)^T - 1] |
4 |
Amount in Compound Interest (Annual Compounding) = P (1 + R/100)^T |
5 |
Compound Interest (Periodic Compounding) = P [(1 + R/n)^(nt) - 1] |
6 |
Amount in Compound Interest (Periodic Compounding)= P (1 + R/n)^(nt) |
Shapes |
Formula for Area (A) |
Formula for Perimeter (P) |
Square |
A = s² |
P = 4s |
Rectangle |
A = lb |
P = 2(l + b) |
Triangle |
A = 1/2 bh |
P = a + b + c (where a, b, c are sides) |
Circle |
A = πr² |
P = 2πr or πd |
Parallelogram |
A = bh |
P = 2(l + b) |
Trapezium |
A = 1/2 (a + b)h |
P = a + b + c + d (where a, b are parallel sides) |
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Shapes |
Formula for Volume (V) |
The formula for Total Surface Area (TSA) |
Cube |
V = s³ |
TSA = 6s² |
Cuboid |
V = lbh |
TSA = 2(lb + bh + lh) |
Cylinder |
V = πr²h |
TSA = 2πr(r + h) |
Sphere |
V = 4/3 πr³ |
TSA = 4πr² |
Cone |
V = 1/3 πr²h |
TSA = πr(l + r) (where l is slant height) |
Hemisphere |
V = 2/3 πr³ |
TSA = 3πr² |
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These are defined in relation to a right-angled triangle:
Download Free Geometry Practice Questions Part 1
Check: CAT Exam Response sheet
Download Free Geometry Practice Questions Part 2
The Quantitative section of the CAT exam includes approximately 22 questions covering the mentioned topics. To excel in CAT 2024 with a strong score and percentile, make sure to practice all the CAT important formulas described in this blog. Mastering these formulas will enhance your problem-solving speed and accuracy. Additionally, check out the preparation tips provided for the CAT entrance exam to refine your strategy and approach
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