# Category: Math Lesson

## Mathematics Questions Answers | Math Quiz For Competitive Exams

Mathematics Question Answers Quiz 2020 Download Most Important General Mathematics / Quantitative Aptitude Questions and Answers in Hindi Quiz Attempt Daily Updated Mathematics Important Question Answers Quizzes All Category Mathematics Quiz Important Quantitative Aptitude Math Sectional Topic-wise Quiz and Notes PDF...

## Area & Perimeter of Circular Ring, Polygon, Quadrilateral

Circular Ring , The Area Of Circular Ring = π(R1²-R2²) Difference Between The Perimeter of  Both Circular Rings = 2πR1 – 2πR2 Area of Polygon = Quadrilateral . The Area of Quadrilateral =  Parallelogram Area of Parallelogram =      ...

## How To calculate Simple Interest By Important Tricks

Principal (P) :- The original sum of money that is provided on loaned/deposited. It is also known as capital. Interest (SI):- The amount of money that you pay to borrow money or the amount of money that you earn on a...

## Some Math Trick (How To Solve Simplification)

Square of a 2 digit number ending with 5 Let me explain this rule by taking examples 35^2 = 3*(3+1) —25 = 1225 Example. Other example 95^2 = 9*(9+1) —25 = 9025 Square of any 2 digit number Let me explain...

## Boat and Stream

Boat and Stream Upstream:  जब नाव या व्यक्ति धारा के विरुद्ध चल रहे हो (When the boat moves against the current of the river) If speed of boat or swimmer is U km/h and the speed of stream is V km/h...

## Number Series Examples

Some important Number series examples.With Explanation. 15           20           45           85           ?              190 Ans 135       ( Difference First to another number as the we find 5 ,25 , 40 , 50 , 55 ,   Then After Make the difference of differences  20,...

## Average

Formula’s For Average Related Questions : 1 प्रथम क्रमिक प्राकृतिक संख्याओं का औसत =    Hint :-  प्रथम n क्रमिक प्राकृतिक संख्याओं के योग से तुलना करे 2. प्रथम क्रमिक प्राकृतिक संख्याओं के वर्गों  का औसत =   3. प्रथम क्रमिक प्राकृतिक...

## How To Solve Some Percentage Questions

चीनी की मूल्य में 20% की कमी होने से कोई उपभोक्ता 120Rs  मैं  3Kg चीनी अधिक पIता है तो उसका नया और पुराना मूल्य बताइये माना 100% = 5 kg 80%   =  4 kg रह गई Ans:    8rs      10rs A और...

## COMPOUND & SIMPLE INTEREST TRICK

Trick:-  दो वर्ष के CI एवम SI का अंतर  निकलने के लिए   Exe:-   यदि किसे धन का 5% वार्षिक व्याज की दर से 2 year में चक्रवर्ती ब्याज और साधारण आज का अंतर   2Rs  हो तो  मूल धन   ज्ञात कीजिये   ...

## How To Find Square Root Easily

Dear student In upcoming Exams Cube root and Square Root Play A Important roll so Here Only  we will learn Short tricks how to solve Square Root very Quickly . Square Root :- } Students It is Important we should learn Square...