Math Blog

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Feb 05, 2016

Mark-ups and Discounts Involving Sales Tax | Problems that Involve Discounts

We will discuss here how to solve the problems based on mark-ups and discounts involving sales tax. 1. Ron buys a car for $ 38,400 which includes 10% discount and then 6% sales tax on the marked price

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Feb 04, 2016

Sales Tax in a Bill | How to Calculate the Sales Tax in a Bill | Math Problems

We will discuss here how to calculate the sales tax in a bill. 1. Jack bought the following electrical items from a shop. Items: Fans Lamps Switches Tubes Electric wire Quantity: 4 2 dozens 5 dozens

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Feb 03, 2016

Calculation of Sales Tax | How to Calculate Sales Tax ? | Indirect Taxes

The calculation of sales tax is very easy as it involves very simple concept of percentage. The government of every country needs money the following: (i) to meet their administrative expenses,

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Feb 01, 2016

Worksheet on Uniform Rate of Growth and Depreciation | Uniform Rate of Growth

Practice the questions given in the worksheet on uniform rate of growth and depreciation. 1. The price of a car is $ 300000. The value of the car depreciates by 20% at the end

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Jan 31, 2016

Worksheet on Uniform Rate of Depreciation | Compound Fnterest Formula

Practice the questions given in the worksheet on uniform rate of depreciation. Applying the principle of compound interest, we can find the values, when subjected to uniform rate of growth by the

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Jan 30, 2016

Worksheet on Uniform Rate of Growth | Principle of Compound Fnterest Formula

Practice the questions given in the worksheet on uniform rate of growth. Applying the principle of compound interest, we can find the values, when subjected to uniform rate of growth by the formula

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Jan 29, 2016

Uniform Rate of Growth and Depreciation | Principle of Compound Interest

We will discuss here about the principle of compound interest in the combination of uniform rate of growth and depreciation. If a quantity P grows at the rate of r1% in the first year

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Jan 28, 2016

Uniform Rate of Depreciation | Depreciation by the Formula |Rate of Depreciation

We will discuss here how to apply the principle of compound interest in the problems of uniform rate of depreciation. If the rate of decrease is uniform, we denote this as uniform decrease

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Jan 27, 2016

Uniform Rate of Growth |Rapid Growth of Plants or Inflation|Growth of Industries

We will discuss here how to apply the principle of compound interest in the problems of uniform rate of growth or appreciation. The word growth can be used in several ways:

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Jan 26, 2016

Worksheet on Variable Rate of Compound Interest | Formula of Variable Rate of CI

Practice the questions given in the worksheet on variable rate of compound interest. If the rates of compound interest for successive years be r1%, r2%, r3%.... then A = P(1 + r1/100)(1 + r2/100) ...

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Jan 25, 2016

Worksheet on Compound Interest when Interest is Compounded Half-Yearly

Practice the questions given in the worksheet on compound interest when interest is compounded half-yearly. When the interest is compounded half-yearly (two times is a year) the,

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Jan 24, 2016

Worksheet on Difference of Compound Interest and Simple Interest | Answers

Practice the questions given in the worksheet on difference of compound interest and simple interest. Compound interest for 2 years - simple interest for two years. 1. Find the difference between

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Jan 22, 2016

Difference of Compound Interest and Simple Interest |Simple vs Compound Interest

We will discuss here how to find the difference of compound interest and simple interest. If the rate of interest per annum is the same under both simple interest and compound interest

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Jan 21, 2016

Compound Interest when Interest is Compounded Quarterly | Word Problems

We will learn how to use the formula for calculating the compound interest when interest is compounded quarterly. Computation of compound interest by using growing principal becomes lengthy

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Jan 21, 2016

Compound Interest when Interest is Compounded Half-Yearly | Compound Interest

We will learn how to use the formula for calculating the compound interest when interest is compounded half-yearly. Computation of compound interest by using growing principal becomes lengthy

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Jan 20, 2016

Compound Interest when Interest is Compounded Yearly | Compound Interest Formula

We will learn how to use the formula for calculating the compound interest when interest is compounded yearly. Computation of compound interest by using growing principal becomes lengthy

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Jan 18, 2016

Variable Rate of Compound Interest | Formula of Variable Rate of CI

We will discuss here how to use the formula for variable rate of compound interest. When the rate of compound interests for successive/consecutive years are different r1, r2, r3, ..... then

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Jan 17, 2016

Worksheet on Compound Interest with Periodic Deductions | Compound Interest

Practice the questions given in the worksheet on compound interest with periodic deductions. 1. Jane borrows $ 8,000 at a compound interest rate of 5% per annum. If she repays $ 1,600 at the end

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Jan 17, 2016

Worksheet on Compound Interest with Growing Principal | Compound Interest

Practice the questions given in the worksheet on compound interest with growing principal. 1. David invested a sum of $ 14000 for two years at a compound interest rate of 5% per annum.

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Jan 15, 2016

Compound Interest with Growing Principal | Calculating Compound Interest

We will learn how to calculate the compound interest with growing principal. If the interest which has become due at the end of a certain period (i.e., 1 year, half-year, ect. as given) is not paid

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Jan 15, 2016

Compound Interest with Periodic Deductions | Loans and Interest | Math Only Math

We will learn how to calculate the compound interest with periodic deductions or additions to the amount. the principal does not remain same always; at the end of every phase, the principal changes.

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Jan 14, 2016

Quadratic Equations by Factoring | Factoring Quadratics | Quadratic Problems

The following steps will help us to solve quadratic equations by factoring: Step I: Clear all the fractions and brackets, if necessary. Step II: transpose all the terms to the left hand side

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Jan 14, 2016

Worksheet on Word Problems on Quadratic Equations by Factoring | Equations

Practice the questions given in the worksheet on word problems on quadratic equations by factoring. We know in order to factorize the given quadratic equation we need to break the middle term

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Jan 14, 2016

Worksheet on Nature of the Roots of a Quadratic Equation | Discriminant

Practice the questions given in the Worksheet on nature of the roots of a quadratic equation. We know the nature of the roots of a quadratic equation depends completely on the value of

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Jan 13, 2016

Compound Interest | Compounded Annually | Calculating Compound Interest

Interest is of two types, simple interest and compound interest. Simple interest: When interest is calculated on principal amount, that interest called Simple interest. Compound interest

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Jan 11, 2016

Area using Square Paper | Rules to Find Area | Approximate Area of the Figure

We will learn how to find the area using square paper. Let us take a squared paper and draw any shape. We can find the area covered by that shape by counting the squares. Rules to find area are

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Jan 10, 2016

Worksheet on Quadratic Equations by Factoring | Factoring Quadratic Expressions

Practice the questions given in the worksheet on quadratic equations by factoring. We know to factorize the quadratic equation we first need to convert the given expression in the standard form

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Jan 10, 2016

Word Problems on Quadratic Equations by Factoring | Factoring Quadratics

We will learn how to solve word problems on quadratic equations by factoring. The product of two numbers is 12. If their sum added to the sum of their squares is 32, find the numbers. Let the numbers

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Jan 08, 2016

Worksheet on Quadratic Formula | Solving Using the Quadratic Formula Worksheet

Practice the questions given in the worksheet on quadratic formula. We know the solutions of the general form of the quadratic equation ax^2 + bx + c = 0 are x =

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Jan 08, 2016

Word Problems using Quadratic Formula | Word Problems on Quadratic Equations

We will discuss here how to solve the word problems using quadratic formula. We know the roots of the quadratic equation ax^2 + bx + c = 0, where a ≠ 0 can be obtained by using the quadratic formula

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Jan 06, 2016

Examine the Roots of a Quadratic Equation | Nature of the Roots | Math Only Math

Examining the roots of a quadratic equation means to see the type of its roots i.e., whether they are real or imaginary, rational or irrational, equal or unequal.

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Jan 05, 2016

Roots of a Quadratic Equation |The roots of a Quadratic Equation| Math Only Math

We will learn how to find the Roots of a quadratic equation. Every quadratic equation gives two values of the unknown variable and these values are called roots of the equation. Let ax^2 + bx + c = 0

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Jan 04, 2016

Methods of Solving Quadratic Equations |By Factorization Method|By using Formula

We will discuss here about the methods of solving quadratic equations. The quadratic equations of the form ax^2 + bx + c = 0 is solved by any one of the following two methods by factorization & by

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Jan 01, 2016

Examples on Quadratic Equations | Quadratic Equations Problems | Math Only Math

We will discuss here about some examples on quadratic equations. We know many word problems involving unknown quantities can be translated into quadratic equations in one unknown quantity.

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Dec 30, 2015

Solving Quadratic Equations | Solving Word Problems using Quadratic Equations

Many word problems Involving unknown quantities can be translated for solving quadratic equations Methods of solving quadratic equations are discussed here in the following steps. Step I: Denote

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Dec 29, 2015

Worksheets on Digits and Numbers | Examples on Digits & Numbers | Answers

Practice the questions given in the worksheets on digits and numbers. 1. Numbers 1, 2, 3, 4, .........., 248, 249, 250 are multiplied together. The number of zeros at the end of the product

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Dec 29, 2015

Digits and Numbers | Examples on Digits and Numbers | Math Only Math

We will discuss here how to solve different types of problems related to digits and numbers. 1. The number of digits in (48^4 × 5^12) is (a) 18 (b) 16 (c) 14 (d) 12

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Dec 29, 2015

Examples on Digits and Numbers | Problems on Digits and Numbers | Math

We will learn how to solve different types of examples on digits and numbers. 1. The sum of a 2-digit number & the number formed by interchanging the digits of the original (2-digit number) number

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Dec 24, 2015

Word Problems on Digits and Numbers |Digit-Related Problems|Number Digit Problem

We will learn how to solve different types of word problems on digits and numbers. 1. The number of digits used in numbering each page of a book of 150 pages is (a) 342 (b) 348 (c) 328 (d) 322

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Dec 23, 2015

Problems on Digits and Numbers | Digit-Related Problems | Number Digit Problem

We will learn how to solve different types of problems on digits and numbers. 1. Numbers 1, 2, 3, 4, ........., 98, 99, 100 are multiplied together. The number of zeros at the

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Dec 23, 2015

Worksheet on Divisibility Tests | Divisibility Rules | Divisibility Worksheet

Practice the questions given in the worksheet on divisibility tests. 1. What least positive integral value must be given to * so that the number 541*326 is divisible by 9? (a) 1 (b) 7 (c) 6 (d) 4

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Dec 21, 2015

Worksheet on Test of Divisibility |Divisibility Rules Worksheets |Math Only Math

Practice the questions given in the worksheet on test of divisibility. 1. The largest natural number which exactly divides the product of any five consecutive natural number is: (a) 6 (b) 12 (c) 24

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Dec 18, 2015

Divisibility Tests by 3 and 6 |Divisibility Rules for 3 & 6|Math Employment Test

We will discuss here about the rules of divisibility tests by 3 and 6 with the help of different types of problems. 1. 325325 is a six-digit number. It is divisible by (a) 7 only (b) 11 only

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Dec 17, 2015

Divisibility Tests by 8 and 12 | Divisibility Rules For Numbers 8 and 12

We will discuss here about the rules of divisibility tests by 8 and 12 with the help of different types of problems. 1. If ‘a’ is a positive perfect square integer, then a(a - 1) is always

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Dec 17, 2015

Divisibility Tests |Divisibility Rules |Divisibility Tricks|Math Employment Test

We will discuss here about the test of divisibility tests with the help of different types of problems. 1. Among common multiples of 15 and 25, the nearest to 500 is (a) 450 (b) 525 (c) 515 (d) 500

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Dec 17, 2015

Divisibility Tests by 9 and 11 | Divisibility Rules | Employment Math Test

We will discuss here about the rules of divisibility tests by 9 and 11 with the help of different types of problems. 1. What least positive integral value must be given to * so that the number 7654*21

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Dec 12, 2015

Problems on Quadratic Equations | Solving Quadratic Equations | Math Only Math

We will discuss here about some of the problems on quadratic equations

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Dec 09, 2015

General Properties of Quadratic Equation | Factorise the Quadratic Expression

We will discuss here about some of the general properties of quadratic equation. We know that the general form of quadratic equation is ax^2 + bx + c = 0, where a is the co-efficient of x^2

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Dec 08, 2015

Worksheet on Formation of Quadratic Equation in One Variable |Quadratic Equation

Practice the questions given in the worksheet on formation of quadratic equation in one variable. We need to form a quadratic equation in one variable from a mathematical problem.

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