Have you observed your mark-sheet carefully? In that, you will find all the records of your marks scored in the entire academics arranged in rows and columns. The mark-sheet contains information in the form of a ‘Data’. Many a time, we need to organise the data systematically, to draw meaningful interferences from any data. Wondering …
What do we get when we multiply 2 with 2? The answer is 4. What do we get if we multiply 7 with 7? The answer is 49. Now, what do we get if we multiply 5 with 5? We would get 25. That’s true for all of us. Now closely observe the equations that …
What comes to your mind when you see the number – 1729? Is it just an ordinary number like the rest? Not at all! There is a very intriguing story behind this number. The number is the famously called “Hardy-Ramanujan number”, among mathematicians. It is the smallest number which is a sum of two cubes …
Don’t your eyes roll on and ears hold up straight when you hear the word – Discount? It does, we know! Have you wondered if the shopkeeper is selling the items for a discount, how come he is still making a profit? In this chapter we will study the most important concepts of finance – …
Understanding the difference between any two quantities is very important. The distinction helps us to identify which quantity is bigger and which is smaller. In this chapter, we will understand how to compare quantities, based on different factors. Here, we will learn about the profit-loss calculations, the percentage calculations and simple interest. This chapter will …
Numbers that start from zero are called as ‘Whole Numbers’. Numbers that come naturally are called as ‘Natural Numbers’. Numbers that are the combination of positive and negative numbers are called as ‘Integers’. We have learned all of these in our previous lessons. In this chapter, we will understand ‘Rational Numbers’. These are the numbers …
Previously, we had learned how to construct an angle, along with the bisectors. In this chapter, we take you a step further into understanding how geometrical tools can be used to construct geometrical shapes and figures. To begin with, you will be introduced to the concept of a Triangle. Moving forward, you will uncover some …
Can you answer the following questions: How big is the surface of your house? Or how big is our country? In order to understand the surface that is occupied by a specific item, it becomes necessary to find its area. An area of an item is the size of the surface that it has occupied. …
How would you find an answer for the following given problem: 99 + _____ = 130. In Algebra, we make use of an ‘Algebraic Expression’, while solving these types of question. In this case, we may take the blank value as ‘X’ or any letter of your choice. An algebraic expression helps us to complete …
Read this story carefully. Once upon a time, a king was very happy with the inventor of Chess and asked him to demand anything in return. The inventor humbly said, just place a single grain of rice in the first square of the chessboard. Then two grains on the second square, four grains on the …
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