by Wordpandit | May 4, 2015 | Number System Concepts |
Order of Operation While solving questions involving mathematical operations involving addition, subtraction, multiplication and division we follow a particular order while performing a calculation. To perform calculations we follow BODMAS. BODMAS stands for B =... by Wordpandit | May 4, 2015 | Number System Concepts |
Properties of Consecutive Integers We have studied about integers, integers are combination of both positive and negative numbers lying on the number line including zero. There are few important properties regarding integers that you should know: Zero is also an... by Wordpandit | May 4, 2015 | Number System Concepts |
Magic of Numbers Magical 1 3 x 37 = 111 33 x 3367 = 111,111 333 x 333667 = 111,111,111 3333 x 33336667= 111,111,111,111 33333 x 3333366667= 111,111,111,111,111 333333 x 333333666667 = 111,111,111,111,111,111 Consider the L.H.S of the above numbers. The number of 3s... by Wordpandit | May 4, 2015 | Number System Concepts |
Unit digit of Perfect Squares Properties regarding Unit Digit of Perfect Square Squares: There is a definite relationship between the unit digits when square of a number is considered, we will see that one by one. – If unit digit of a perfect square is 1 then... by Wordpandit | May 4, 2015 | Number System Concepts |
Tricks with numbers Number of times a particular digit (except 0) appears in a certain range: The concept, the title of the post talks about, is best understood with the help of examples. This is our way of practical learning and using problem types to understand... by Wordpandit | May 4, 2015 | Number System Concepts |
Properties of Addition of Natural Numbers: Sum of 1st ‘n’ Natural numbers = 1 + 2 + 3 + …. + n = $\frac{n\left( n+1 \right)}{2}$ Sum of squares of 1st ‘n’ natural number = 12 + 22 + 32 + ….. + n2 = $\frac{n\left( n+1...
