Transcription of PERCENTAGE AND ITS APPLICATIONS
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PERCENTAGE and Its ApplicationsNotesMODULE - 2 CommercialMathematicsMathematics Secondary Course 2038 PERCENTAGE AND ITS APPLICATIONSYou must have seen advertisements in newspapers, television and hoardings etc of thefollowing type: Sale, up to 60% off . Voters turnout in the poll was over 70% . Ramesh got 93% aggregate in class XII examination . Banks have lowered the rate of interest on fixed deposits from to 7% .In all the above statements, the important word is percent . The word percent has beenderived from the Latin word percentum meaning per hundred or out of this lesson, we shall study percent as a fraction or a decimal and shall also study itsapplications in solving problems of profit and loss, discount, simple interest, compoundinterest, rate of growth and depreciatio
9. In the word PERCENTAGE, what percent of the letters are E s? 10. In a class of 40 students, 10 secured first division, 15 secured second division and 13 just qualified. What percent of students failed. 8.4 CALCULATION OF PERCENT OF A QUANTITY OR A NUMBER To determine a specified percent of a number or quantity, we first change the percent to a
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