Percentage and Its Calculation

What is Percentage?Percentage or Percent is anything out of 100.Percent = per 100 (cent = 100)i.e., 2 % is 2 out of 100.

Fractions to PercentagesConsider you have an apple and you need to share it with your 3 sisters. So, in order to share, cut it into 4 equal parts. For each, 1 part of the whole apple (4 parts) is given. Hence for each , it is 1 part in 4. i.e., 1/4 = FractionThe perentage of 1 in 4 is (1/4) * 100. = 25 %Hence the formula of perentage is = Part / Whole * 100

Percentage of 1 in 4

Practice ProblemIn a class there are 50 students. Out of 50, 30 are boys and 20 are girls. What is the percentage of boys and girls?

SolutionTotal number of students = 50No . Of Boys = 30No. of Girls = 20Perentage = (Part / Whole) * 100Percentage of Boys = (30 / 50) * 100 = 60%Percentage of Girls = (20/50)*100 = 40%

Percentage CalculationPerentage can be calculated from the part and whole.Part can be calculated when whole and percentage is given.

Percentage in Real Life

Discounts / Mark-upsBank InterestSimple Interest / Compound InterestCommissionProfit / Loss

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