## Tips and Tricks To Solve Problems on Races and Games

Races: A contest of speed in running, riding, driving, sailing or rowing is called a race. Race Course: The ground or path on which contests are made…

## Important algebra identities and questions

Some Basic Formulae: (a + b)(a – b) = (a2 – b2) (a + b)2 = (a2 + b2 + 2ab) (a – b)2 = (a2 + b2 – 2ab) (a + b + c)2 = a2 + b2 + c2 + 2(ab + bc + ca) (a3 + b3) = (a + b)(a2 – ab + b2) (a3 – b3) = (a – b)(a2 + ab + b2) (a3 + b3 + c3 – 3abc)…

## Tricks to solve surds and indices

Laws of Indices: am x an = am + n am = am – n an (am)n = amn (ab)n = anbn a n = an b bn a0 = 1 Surds:Let a be rational number and n be a positive integer such…

## Tips to solve problems related to Chain Rule

Direct Proportion:Two quantities are said to be directly proportional, if on the increase (or decrease) of the one, the other increases (or decreases) to the…

## Tips and Tricks on Simplification related problems in Aptitude

‘BODMAS’ Rule:This rule depicts the correct sequence in which the operations are to be executed, so as to find out the value of given expression.Here…

## Tricks to Solve Equations in two variables

Solving systems of equations in two variables A system of a linear equation comprises two or more equations and one seeks a common solution to…

## Tips to solve Permutation and Combination Problems

Factorial Notation:Let n be a positive integer. Then, factorial n, denoted n! is defined as: n! = n(n – 1)(n – 2) … 3.2.1. Examples: We define 0! = 1.…

## Aptitude Tricks – Surds and Indices

SURDS AND INDICES   Important Terms Surd: Number which cannot be expressed in the fraction form of two integers is called as surd. Hence, the numbers…

## Order of Operations in Maths | PEMDAS, PEDMAS, BODMAS

Order of Operations in Maths | PEMDAS, PEDMAS, BODMAS The basic operations in mathematics, as everyone knows, are addition, subtraction, multiplication and division. In algebra,…

## Short Tricks to Solve Problems on Area

FUNDAMENTAL CONCEPTS Results on Triangles: Sum of the angles of a triangle is 180°. The sum of any two sides of a triangle is greater…