Maths trick - Boost your addition & subtraction skill with - MAKE BRAIN PERFECT

Hello friends today we are going to share great tricks to boost your Addition & Subtraction speed. 

You know that addition and subtraction needs in every calculation of Maths, accounts and also in economics. So there is a need to increase your calculation speed. We take in mind this term "Boot calculation Speed" introduce superb tricks for you. 

By Using and Practice this trick daily you can increase your mathematical calculation fast. 

Lets start with the addition trick.  

Economics class 12th :: "Chapter - Theory of Demand"

Theory of demand : It means what consumer willing and able to purchase a commodity at a various price level at a given period of time.

There are three elements of demand -

• Desire
• Means to fulfill your desire
• And readiness to spend

Question 1 - What are the Factor of demand, Function of demand and Determinant of demand?

Answer 1 - 

[10 Questions] Objective question of Inverse trigonometric function

Hello friends, Inverse trigonometric function is a new chapter for you in class 12 and you are trying to solve best question and typical questions so that you can score good marks. But You are familier with Simple Trigonometric function. They are very easy because you are learning it from 10 class.

So for your practice of inverse trigonometric function we take out some good questions for you. Please try to solve these question yourself and after solving try to give answer.                   


                     

[10 question added] Objective type question of Relation and Function

                                                
                                            


Question 1. >> If A = {-1 , 1, 3}, Then what is the number of relation of A ?