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This blog for the students has been designed strictly in accordance with the competitive examinations. The aim of the blog is to developed the analytical thinking and scientific skills of students to help them prepare for the board examinations and competitive examinations. The content is presented in an easy language and a lucid manner to facilitate a clear understanding of the subject.

 This blog contains exhaustive solved examples to help students learn various topics in an easy manner. Language of this series of topics has been kept very simple and the series aims to make subjects more attractive and understandable for the learners.

 It is hoped that our readers will go through this blog and will appreciate the efforts put into bringing out the blog.It is hoped that this blog will able to create interest in the subject and also motivate the students for various competitive examinations.

                                                                                                                                      Rohit Vaish


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Multiplication Trick 5

1. Condition :   This trick is used when we multiply quickly three numbers near  a  same power of 10. Example.  103 × 112 × 108   Illustration 1 :      107 × 102 × 105 Numbers       Base         Difference      107               100        +7 (let a=7)  102               100        +2 (let b=2)  105               100        +5 (let c=5) Solution:  1st part /   2nd part  /  3rd part                        (Number of digits in the 2nd and 3nd part =Number of 0s in the base)                            formula: 107+b+c...
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Rules of divisibility part -1

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