
Explore the introduction to percentages, including how to use a common base of 100 for comparison and to convert between fractions, decimals, and percentages.
Master fractions and their equal percentages, memorize common values like one-half equals 50 percent and one-twelfth equals 8.33 percent, and learn quick conversions and their multiples of two hundred percent.
Explore basic concepts of profit, loss, and discount through practical questions that show how selling price relates to cost price, and how discounts affect profit percentages.
Two articles with the same selling price can yield an overall loss, explained through cost price, selling price, and a shortcut formula for total profit or loss.
Explore basic concepts of simple interest, including principal, rate per annum, and time, and learn the formula for interest and total amount.
Explore compound interest problems where a sum becomes n times itself, using the formula and geometric progression, with examples like doubling in five years and twenty-seven times in eighteen years.
Arithmetic is a very important topic for all entrance exams like GRE/GMAT/CAT/XAT/NMAT and also for competitive exams like Bank P.O, SSC and other recruitment exams.
In this course ,I have discussed three important topics - 1. Percentages 2.Profit ,loss and discount 3. Simple and interest and compound interest. I have covered all the concepts in detail and discussed shortcuts/formulae, wherever required
A few highlights of the course are as following
1. Percentages
(i) Basic concepts and calculation of percentages,
(ii) Concepts of percentage increase and decrease,
(iii) Successive growth, percentage change concepts and shortcut formulae
(iv) Application of percentage concepts in other topics.
2. Profit, Loss and Discount.
(i) Basic profit, loss and discount concepts,
(ii) various types of profit , loss and discount questions
(iii) Partnership concepts and questions
(iv) Stocks and Shares concepts and their application
3.Simple interest and Compound interest
(i)Concepts of Simple interest and various types of questions
(ii) Concepts of Compound interest and various types of questions
(iii) Shortcuts for calculation of Simple and Compound Interest
(iv) Difference between Compound Interest and Simple Interest and related formulae
(v) How to calculate Installment amount in both Simple and compound Interest
I have discussed not only the basic concepts and shortcuts but also good number of practice questions covering the all the above three topics.