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SSC CGL Maths Short Tricks and Formulas, Check Here

SSC CGL Maths Short Tricks and Formulas: Learn Percentage quick calculations, simplification techniques, multiplication tips, division rules, and efficient problem-solving strategies for SSC CGL here.
authorImageParul Rishi10 Jul, 2024
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SSC CGL Maths Short Tricks and Formulas

SSC CGL Maths Short Tricks and Formulas: Mathematical formulas, shortcuts and tricks are indispensable part for tackling the quantitative aptitude section of competitive exams like SSC CGL. These techniques not only save time but also boost accuracy, thereby enhancing overall scores. Here are SSC CGL Short Tricks and Formulas tricks to master for effective exam preparation for the upcoming SSC exam .

SSC CGL Maths Short Tricks and Formulas

SSC CGL Math's short tricks and formulas are essential for SSC CGL exam , simplifying calculations and saving time. Key tricks include percentage calculations, simplification techniques, quick multiplication and division rules, square root approximations, profit and loss shortcuts, and data interpretation strategies. Learning these ensures efficient problem-solving and higher scores in exams.

SSC CGL Maths Short Tricks

This table organizes each trick or technique with a brief description, highlighting their utility in solving mathematical problems quickly and effectively, particularly in SSC CGL Exam.
SSC CGL Maths Short Tricks
Trick/Technique Description
Percentage Calculations Move the decimal one place left to find 10%. Example: 10% of 350 is 35.
Simplification Techniques Break down complex expressions using distributive property and common factors.
Multiplication Shortcuts Break numbers into simpler components. Example: (30 + 5) × 25 = (30 × 25) + (5 × 25)
Division Tricks Use divisibility rules (2, 3, 5, 9, 10) to quickly determine divisibility.
Quick Addition/Subtraction Group numbers (hundreds, tens, units) to simplify calculations.
Square and Cube Roots Approximate square roots by knowing squares of numbers close to the given value.
Time and Distance Problems Solve using relative speed concepts for moving objects in different directions.
Profit and Loss Calculate selling price for a 25% profit by multiplying cost price by 1.25.
Averages Compute weighted averages by multiplying values by weights and dividing by total weight.
Data Interpretation Analyze graphs to understand trends and answer related questions efficiently.

SSC CGL Maths Formulas

Important SSC CGL Maths Formulas are provided in the table below.

Formulas Of Mensuration 2D:

Formulas Of Mensuration 2D
Name Perimeter Area
Rectangle 2 (a + b) ab
Square 4a a2
Triangle a + b + c = 2s
  1. ½ × b × h
  2. √(s(s – a)(s – b)(s – c)
Right triangle b + h + d ½ bh
Equilateral triangle 3a 1 . ½ ah 2. √3/4 a2
Isosceles right triangle 2a + d ½ a2
Parallelogram 2(a + b) ah
Rhombus 4a ½ d1d2
Trapezium Sum of its four sides ½ × h × (a + b)
Circle 2πr πr2
Semicircle πr + 2r ½ πr2
Ring (Shaded region) ———- π(R2 – r2)
Sector of a circle l + 2r where l = (θ/360) × 2πr θ/360° × πr2

Formulas Of Mensuration 3D:

Formulas Of Mensuration 3D
Solid Lateral/Curved Surface Area Total Surface Area Volume
Cuboid 2(l + b)h 2(lb + bh + hl) lbh
Cube 4l2 6l2 l3
Right circular cone 2πrh 2πr(r + h) πr2h
Right circular cone πrl where l = slant height and l = √(r2 + h2) πrl + πr2 or πr(l + r) 1/3 πr2h
Sphere 4πr2 4πr2 4/3πr3
Hemisphere 2πr2 3πr2 2/3πr3
Hollow cylinder 2π(R + r)h Where R = external radius and r = internal radius 2π(R + r)h + 2π(R2 – r2)h π(R2 – r2)
Frustum of right circular cone π(R + r)l where R & r are radii of base and R>r and l = √(h2 + (R – r)2 πl(R + r) + πr2 + πR2 1/3πh(R2 + r2 + Rr)

Other SSC CGL Maths Formulas:

Other SSC CGL Maths Formulas
  • (a + b)2 = a2 + 2ab + b2 = (a – b)2 + 4ab
  • (a – b)2 = a2 – 2ab + b2 = (a + b)2 – 4ab
  • (a2 + b2) = (a + b)2 – 2ab = (a – b)2 + 2ab
  • (a2 – b2) = (a – b)(a + b)
  • 2(a2 + b2) = (a + b)2 + (a – b)2
  • (a + b + c)2 = a2 + b2 + c2 + 2ab + 2bc + 2ca
  • (a + b – c)2 = a2 + b2 + c2 + 2ab – 2bc – 2ca
  • (a – b – c)2 = a2 + b2 + c2 – 2ab + 2bc – 2ca
  • (a + b)3 = a3 + b3 + 3ab(a + b)
  • (a – b)3 = a3 – b3 – 3ab(a – b)
  • (a3 – b3) = (a – b) (a2 + ab + b2) = (a – b)3 + 3ab(a – b)
  • (a3 + b3) = (a + b) (a2 – ab + b2) = (a + b)3 – 3ab(a + b)
  • 2(a2 + b2) = (a + b)2 + (a – b)2
  • a3 + b3 + c3 – 3abc = 1/2 (a + b + c) {(a – b)2 + (b – c)2 + (c – a)2}
  • If a + b + c = 0, then a3 + b3 + c3 = 3abc
  • am × an = a(m + n)
  • am/an = a(m – n)
  • (am)n = am × n

Tips for Quantitative Aptitude Section for SSC CGL 2024

Mastering math formula, tricks and shortcuts is effective only with a strong foundation. Here are essential tips to excel in the quantitative aptitude section of competitive exams:
  • Build Strong Basics: Ensure a solid understanding of fundamentals. Spend ample time on each topic to grasp concepts thoroughly. Clear basics enable efficient application of math tricks.
  • Learn and Apply Formulas: Understand formulas deeply to know their applications. This saves time during problem-solving across different topics like percentages, geometry, and algebra.
  • Comprehend Questions: Before solving, carefully read and understand each question. Identify the shortest and easiest approach to solve it efficiently, avoiding unnecessary time consumption.
  • Practice Extensively: Once concepts are clear, practice extensively. Solve a variety of problems to gain confidence and familiarity with different question types and scenarios.
  • Use Tables and Charts: For complex or lengthy questions, simplify data by creating tables or charts. This visual aid aids in clearer understanding and quicker problem-solving.
  • Manage Time Effectively: Allocate time wisely across all questions. Avoid getting stuck on one question; move on and return if time permits. Efficient time management is crucial for completing the section.
These quantitative aptitude formulas, Tricks tips are invaluable for SSC CGL exam preparation. By building a strong foundation, mastering formulas, understanding questions, practicing rigorously, utilizing visual aids, and managing time effectively, candidates can enhance their performance and achieve higher scores in this challenging section.

SSC CGL Maths Short Tricks and Formulas FAQs

What are some quick percentage calculation tricks?

To find 10% of any number, move the decimal one place left. Example: 10% of 350 is 35.

How can I simplify complex expressions easily?

Use distributive property and common factors to break down expressions into manageable parts.

What are useful division tricks for SSC CGL?

Memorize divisibility rules for numbers like 2, 3, 5, 9, and 10 to quickly determine divisibility.
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