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Understanding Simple Algebraic Formulas With Examples

Definition: Any general result expressed in symbols is called formula. In other words, a formula is the most general expression for any theorem respecting quantities. Formula: That is, the square of any two quantities is equal to the sum of their squares plus twice their product. Corrollary: Example: Find the square of Example: Simplify: Example: […]

Positive and Negative Quantities

When we speak of a certain quantity of money, it may either be a gain or a loss, a receipt or a payment. Gains and loss are so related that if we gain as much as we lose the effect on our stock is nothing. Hence a quantity of money forms a gain is said to be opposite in character to a quantity which forms a loss.

Shares and Dividends

Certain business organizations need to raise money from public. In India, such an organization needs to be registered under the Indian Companies Act. Such an organization is called a public limited company.

Fractions

If an apple is divided into five equal parts, each part is said to be one fifth of the whole apple. If out of these five equal parts, 2 parts are eaten, we say two-fifth of the apple is eaten or three-fifth of the apple is left.

An Introduction to Elementary Probability

Probability which is the likelihood of happening of something with respect to the total number of outcome.

Classification of Numbers

Following are the types of numbers. Natural numbers, Whole numbers, Prime numbers, Composite numbers, Integers, Rational Numbers, Irrational number, Real Number etc

Understanding Decimals

A decimal fraction (or, a decimal number) is a fraction whose denominator is 10 or a higher power of 10.

Unitary Method

The method in which the value of a unit quantity is first calculated to get the value of other quantity is called the unitary method. In unitary method we have two types of variations : direct and inverse.

Speed: Unit of Speed, Variable and Average Speed …

Speed of a body is the distance covered by the body in unit time. Therefore Speed is Distance upon Time which implies that Distance is Speed times Time or Time is Distance upon Speed.

Sales Tax (Trade tax)

In order to increase revenue, state governments levy sales tax on the sale of goods within their states. For the inter-state movement of goods, the Union (Central) Government also levies sales tax, known as Central Sales Tax. It is the tax imposed on purchase of items.