## Introduction to Everyday Math

Now in this section we are going to discuss the application of some other operations of arithmetic like ratio, proportion,… Click here to read more

From basic to higher mathematics

Now in this section we are going to discuss the application of some other operations of arithmetic like ratio, proportion,… Click here to read more

In this tutorial we shall discuss the derivative of the linear function or derivative of the straight line equation in… Click here to read more

From the definition of the definite integral $$\int\limits_a^b {f\left( x \right)dx = F\left( b \right) – F\left( a \right)} $$,… Click here to read more

Sometimes we have to deal with quantities that require comparison. Suppose in a class of 45 students, 15 of the… Click here to read more

Ratio is used for calculating continued ratio, proportion, rates, and percentage as well as continued proportion. Ratio can also be… Click here to read more

“A statement of equality of two ratios is called proportion.” Four numbers, a, b, c, d, are said to be… Click here to read more

Example: A profit of Rs. 8920 is to be divided among four people in the ratios 5 : 9 :… Click here to read more

If the number of teachers in a college is increased from 50 to 60, then the ratio of new staff… Click here to read more

Comparing fractions is not an easy task, especially when the two fractions have different denominators. For example, you are asked… Click here to read more

In a school, 56 out of 70 teachers are female. What percentage of the teachers is female? What percentage of them… Click here to read more

The change in the value of an item can be expressed as a percentage increase or decrease of the original… Click here to read more

Before defining rate, first we consider some examples. 1. If one dozen eggs cost 24 Rs., what is the cost… Click here to read more

For the purpose of comparison, we usually express the actual profit or loss as a percentage of cost price. For… Click here to read more

In most cases, retailers cannot sell defective items, old items, etc. at the retail-selling price. If these items are sold… Click here to read more

A commission is the payment an agent gets for selling or buying something on behalf of another person. It is… Click here to read more

Suppose the price of one piece of soap is 20 Rs. If a person wants to buy one dozen pieces… Click here to read more

Suppose that 20 men build a house in 6 days. If the number of men is increased to 30 then they… Click here to read more

“The proportion involving two or more quantities is called Compound Proportion.” Rules for Solving Compound Proportions \[\begin{array}{*{20}{c}} {{\text{Quantity 1}}}&{{\text{Quantity 2}}}&{{\text{Quantity… Click here to read more

Quantities are said to be in continued proportion if the first is related to the second, the second is related… Click here to read more