Profit and Loss Formulas
Profit or Loss these terms are very often used in our daily lives. These are the terms used to identify if a deal made is profitable or not. In simple …
Basic Math
Area of Rhombus
A rhombus is a type of quadrilateral. It is a special case of a parallelogram, with its diagonals intersecting each other at 90 degrees. The area of the rhombus is …
Rhombus
A Rhombus is a type of quadrilateral. It is a special case of a parallelogram, with its diagonals intersecting each other at 90 degrees. It is an equilateral quadrilateral; all …
Divisibility Rule of 11
Divisibility rule of 11 or any divisibility rule for that matter is a shortcut used to find if a number is perfectly divisible by that number or not. These rules …
Divisibility Rule of 6
A number is said to be divisible by another number if the remainder of the division is a zero(0). Divisibility rules are often used to determine, if a number is …
Divisibility Rule of 5
A number is said to be divisible by another number if the remainder comes out to be zero(0). Divisibility rules are often used to determine, if a number is divisible …
Divisibility Rule of 7
Divisibility rules are shortcuts used to find if a number can be divided by a required divisor, without performing the actual division process. These rules usually consist of a set …
Divisibility Rule of 9
A number is said to be divisible by another number if the remainder of the number is a zero(0). Divisibility rules are often used to determine, if a number is …
Value of Pi
Pi, denoted by π, is a constant that we’ve been using since our fifth grade when we first learnt how to calculate an area enclosed by a circle. Do you …
Sum of Squares of n Natural Numbers
The sum of squares of the first natural numbers refers to the following special sum, \(\sum_{i=1}^n i^2 = \sum n^2 = 1^2 + 2^2 + 3^2 + \ldots + n^2\) …