Read these free Quantitative Aptitude study notes for free. These notes will help you to get good marks in exams like SSC, Banking, Railways, and other Competitive Exams.
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What Is a Polynomial? A polynomial is an expression consisting of variables...types of polynomials degree...how to solve polynomials, factoring polynomials.
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Time and Distance Problems on Time and Distance with explanation for various interview, competitive examinations and entrance tests…
Percentage Multiple Choice Questions and Solutions for Bank SSC. percentage increase and decrease as well as problems of…
Profit and Loss Problems for SSC Banking MCQs..practice online the problems. Profit and loss is an important chapter…
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Time and Distance Problems on Time and Distance with explanation for various interview, competitive examinations and entrance tests…
Percentage Multiple Choice Questions and Solutions for Bank SSC. percentage increase and decrease as well as problems of…
Profit and Loss Problems for SSC Banking MCQs..practice online the problems. Profit and loss is an important chapter…
Mixture and Alligation Practice Questions. The Mixture and Alligation Practice Questions section have questions on Alligation. All of…
Here we provide some of the basic Objective Type Problems on Trains with explanation for various interview, competitive…
Check out these Important Basic Triangle Formulas and Identities. Important Triangle Formulas and Identities for exams like SSC,…
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Read these free Quantitative Aptitude study notes for free. These notes will help you to get good marks in exams like SSC, Banking, Railways, and other Competitive Exams.
Learn the Basic Concepts and important formulas related to Time and Work. These concepts and basic and advanced important formulas will help you in solving the problems of Time and Work.
Learn the Basic Concepts and important formulas related to Pipe and Cistern. These concepts and basic and advanced important formulas will help you in solving the problems of Pipe and Cistern.
Ratio and Proportion
What do you mean by Ratio? In a ratio of a:b, ‘a’ is called the first term or antecedent, and ‘b’ is called the second term or consequent.
What do you mean by Proportion?
i.e., a × d = b × c
Trigonometric Identities and Formulas
There are three systems of measuring Angles-
1. Circular System
Unit of Measurement is radian.
180 degree = π radians
2. Sexagesimal System (English System)
Right angle is divided into 90 equal parts called degree.
Unit of Measurement is degree.
3. Centesimal or French System
Right angle is divided into 100 equal parts.
A percent is derived from the Latin word ‘per centum’ which means ‘per hundred.
The percentage is a way of comparing quantities.
Percentages are basically numerators of fractions with denominator 100.
A percent is represented by the symbol – ‘%’.
Ex- 1% means 1 out of 100 or one-hundredths.
1% = 1/100 = 0.001
Interpreting Percentages
Ex- What do you mean by this statement. let say – “Raj saves 25% of his income.
Interpretation – It means 25 parts out of 100, or it means Raj is saving 25 rupees out of every 100 rupees that he earns.
Important Formula
% Change – (Increase or decrease)
℅change = (final value – Initial Value)*100/Initial Value
Important Mensuration Formula Mensuration is and important branch of mathematics. In this we basically calculate the perimeter, area, …
Important Concepts and Formulas. Average Formula, Definition-Number of quantities of the same kind is their sum divided by the number of the quantities.
40+ Important Algebraic Identities Formula for every Exam. Basic Important Algebraic Identities for class 8 Algebraic Identities class 9. All advanced Algebraic Identities for SSC CGL, SSC CHSL, Banking, CBSE Exams.