## Profit And Loss

Profit And Loss When we buy and sell something, then either we will be in profit or we will be in loss. This profit and loss depends on the cost price and selling price of the article.   COST PRICE: Read More …

## Mensuration

Mensuration Mensuration is the branch of mathematics which deals with areas and perimeter of 2- dimensional figure and volumes and surface area of 3- dimensional figure. 2 – Dimensional shapes: A Shape that has only two dimensions ( generally length Read More …

## Percentage

Percentage Percentage means per hundred or out of hundred. we can also say that percentage is a fraction whose denominator is 100. For example:  35% = 35/100 Suppose a student scores 280 marks out of 400 in his class So Read More …

## Area of Congruent figures

Area of Congruent figures Two figures are congruent if they are of same size and same shape i.e. their all sides are equal and corresponding angles are equal. For example $\triangle ABC$ $\cong$ $\triangle DEF$ Quadrilateral ABCD $\cong$ Quadrilateral EFGH   Areas of Read More …

## Algebra

Algebra Algebra is the branch of mathematics which deals with the unknown and constants. Variables: It is a symbol for a number which we don’t know i.e. its value is not fixed. It is usually denoted by English alpha bates as Read More …

## Ratio and Proportion

Ratio And Proportion Ratio: Ratio is a relationship between two numbers, which shows that how many times the first number is equal to how many times of the other. Generally, the ratio of a to b is calculated as the fraction $\frac{a}{b}$ in Read More …

## Allegation and Mixture

Allegation and Mixture Allegation rule: When two ingredients are mixed, then the difference between two given values and the mean value is equal to the inverse ratio of the quantity of two ingredients. Quantity of cheaper product: quantity of dearer Read More …

## Partnership

Partnership When some person invests money in a business, then total profit shared between them according to their investment and time period. To solve partnership type problems use this trick For two persons A and B (A’s capital $\times$ Read More …

Quadratic Equations An equation of the form $ax^{2} +bx + c=0$, where a, b and c are real numbers and $a\neq0$ is known as quadratic equation in Read More …