Math Blog

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Jan 29, 2015

Problems on Divisibility Rules | Rules to Test of Divisibility | Divisible by 4

Problems on divisibility rules will help us to learn how to use the rules to test of divisibility by 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11. 1. Is 7248 is divisible (i) by 4, (ii) by 2 and (iii) by 8?

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Jan 29, 2015

Worksheet on Divisibility Rules | Questions on Test of Divisibility |

Worksheet on divisibility rules will help us to practice different types of questions on test of divisibility by 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11. We need to use the divisibility rules to

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Jan 29, 2015

Introduction of Quadratic Equation | Quadratic Polynomial | General Form

We will discuss about the introduction of quadratic equation. A polynomial of second degree is generally called a quadratic polynomial. If f(x) is a quadratic polynomial, then f(x) = 0 is called

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Jan 28, 2015

Division of Whole Numbers |Relation between Dividend, Divisor, Quotient, Remaind

Division of whole numbers is discussed here step by step. 1. Division is repeated subtraction. (a) 25 ÷ 5 = 5 (Repeated Subtraction) (i) 25 - 5 = 20 (ii) 20 - 5 = 15 (iii) 15 - 5 =10 (iv) 10 - 5 = 5

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Jan 26, 2015

Problems on Geometric Progression | Common Ratio of the Geometric Progression

Here we will learn how to solve different types of problems on Geometric Progression. 1. Find the common ratio of the Geometric Progression whose, sum of the third and fifth terms is 90 and its

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Jan 22, 2015

Properties of Divisibility |Factors of the Number|Co-prime Numbers|Divisibility

We will discuss here about what are the properties of divisibility. The following properties are: (i) When a number is divisible by another number, it is also divisible by the factors of the number.

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Jan 22, 2015

Worksheet on Multiples and Factors | Prime Number or Composite Number

Worksheet on multiples and factors contains various types of questions. We know, 1 is a factor of every number. And, a multiple of a number is always greater than or equal to the number.

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Jan 22, 2015

Relation between Arithmetic Means and Geometric Means | Solved Examples

We will discuss here about some of the important relation between Arithmetic Means and Geometric Means. The following properties are: Property I: The Arithmetic Means of two positive numbers

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Jan 21, 2015

Prime and Composite Numbers | Prime Numbers | Composite Numbers

What are the prime and composite numbers? Prime numbers are those numbers which have only two factors 1 and the number itself. For example, these numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29,

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Jan 21, 2015

Subtraction of Whole Numbers | Whole Numbers | Subtract One Large Number

Subtraction of whole numbers is discussed in the following two steps to subtract one large number from another large number: Step I: We arrange the given numbers in columns, ones under ones

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Jan 21, 2015

Prime Factors | Prime Factors of a Number | First Prime Number | Prime Numbers

Prime factor is the factor of the given number which is a prime number also. How to find the prime factors of a number? Let us take an example to find prime factors of 210.

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Jan 21, 2015

Properties of Geometric Progression | Geometric Series | Problems on G. P.

We will discuss about some of the properties of Geometric Progressions and geometric series which we will frequently use in solving different types of problems on Geometric Progressions.

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Jan 19, 2015

Geometric Progression Formulae | General Form of a Geometric Progression

We will discuss about different types of Geometric Progression formulae. 1. The general form of a Geometric Progression is {a, ar, ar^2, ar^3, ar^4, ......}, where ‘a’ and ‘r’ are called the

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Jan 18, 2015

Sum of an infinite Geometric Progression | Geometric Progression | Examples

The sum of an infinite Geometric Progression with first term a and common ratio r (-1 < r < 1 i.e., |r| < 1) is S = a/(1 - r)

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Jan 16, 2015

Multiples and Factors | Infinite Factors | Multiply Counting Numbers

We will discuss here about multiples and factors and how they are related to each other. Factors of a number are those numbers which can divide the number exactly. For example, 1, 2, 3 and 6 are

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Jan 16, 2015

Addition of Whole Numbers | Add Large Numbers | Whole Numbers | Numbers

Addition of whole numbers is discussed in the following steps how to add large numbers: Step I: We arrange the given numbers in columns, ones under ones, tens under tens, hundred under

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Jan 16, 2015

Selection of Terms in Geometric Progression | Geometric Progression

Sometimes we need to assume certain number of terms in Geometric Progression. The following ways are generally used for the selection of terms in Geometric Progression.

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Jan 15, 2015

Position of a Term in a Geometric Progression | Geometric Sequences

We will learn how to find the position of a term in a Geometric Progression. On finding the position of a given term in a given Geometric Progression We need to use the formula of nth

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Jan 14, 2015

Word Problems on Multiplication and Division of Whole Numbers | Large Numbers

We will learn how to solve step-by-step the word problems on multiplication and division of whole numbers. We know, we need to do multiplication and division in our daily life. Let us solve some

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Jan 14, 2015

Worksheet on Multiplication and Division of Large Numbers | Word Problems

In worksheet on multiplication and division of large numbers we will get different questions for multiplying and dividing 7-digit, 8-digit and 9-digit numbers. Find the following products:

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Jan 14, 2015

Sum of n terms of a Geometric Progression | Find the Sum of the Geometric Series

We will learn how to find the sum of n terms of the Geometric Progression {a, ar, ar^2, ar^3, ar^4, ...........} To prove that the sum of first n terms of the Geometric Progression whose

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Jan 14, 2015

Definition of Geometric Mean | Geometric Progression | Solved Examples

Definition of Geometric Mean: If three quantities are in Geometric Progression then the middle one is called the geometric mean of the other two.

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Jan 13, 2015

Position of a Point with respect to a Parabola | Equation of the Parabola

We will learn how to find the position of a point with respect to a parabola. The position of a point (x1, y1) with respect to a parabola y^2 = 4ax (i.e. the point lies outside, on or within the

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Jan 13, 2015

Parabola whose Vertex at a given Point and Axis is Parallel to y-axis | Examples

We will discuss how to find the equation of the parabola whose vertex at a given point and axis is parallel to y-axis. Let A (h, k) be the vertex of the parabola, AM is the axis of the parabola which

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Jan 12, 2015

Word Problems on Addition and Subtraction of Whole Numbers | Large Numbers

We will learn how to solve step-by-step the word problems on addition and subtraction of whole numbers. We know, we need to do addition and subtraction in our daily life. Let us solve some word

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Jan 12, 2015

Worksheet on Addition and Subtraction of Large Numbers | Arrange in Columns

In worksheet on addition and subtraction of large numbers we will get different questions for adding and subtracting 7-digit, 8-digit and 9-digit numbers. Note: To make it easy to add or subtract we

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Jan 11, 2015

General Form and General Term of a Geometric Progression | nth Term of a P. G.

We will discuss here about the general form and general term of a Geometric Progression. The general form of a Geometric Progression is {a, ar, ar^2, ar^3, .......}, where ‘a’ and ‘r’ are called the

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Jan 10, 2015

Parabola whose Vertex at a given Point and Axis is Parallel to x-axis | Examples

We will discuss how to find the equation of the parabola whose vertex at a given point and axis is parallel to x-axis. Let A (h, k) be the vertex of the parabola, AM is the axis of the parabola which

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Jan 10, 2015

Standard form of Parabola x^2 = -4ay | length of latus rectum | Solved Examples

We will discuss about the standard form of parabola x^2 = -4ay Equation y2 = -4ax (a > 0) represents the equation of a parabola whose co-ordinate of the vertex is at (0, 0)

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Jan 10, 2015

Standard form of Parabola x^2 = 4ay | Co-ordinate of the Vertex |Solved Examples

We will discuss about the standard form of parabola x^2 = 4ay Equation y2 = 4ax (a > 0) represents the equation of a parabola whose co-ordinate of the vertex is at (0, 0), the co-ordinates

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Jan 09, 2015

Geometric Progression | Geometric Series | Common Ratio | Solved Examples

We will discuss here about the Geometric Progression along with examples. A sequence of numbers is said to be Geometric Progression if the ratio of any term and its preceding term is always a

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