Using OF Operator in Percentages


 
 
Concept Explanation
 

Using OF Operator in Percentages

 

Using OF operator in Percentages:

We simply replace the OF operator with a multiply sign.

Illustration:

1. ;;;frac{3}{4}; of ;80; pencils =frac{3}{4} times 80 = 60; pencils

2. ;;;40% ;of; 300 =frac{40}{100} times 300 = 120

Illustration: Find  frac{5}{9} of  180.

Solution:  frac{5}{9}times 180

               =5times 20  = 100

 

Illustration: Find the number of cups if frac{4}{7};;of ;;4200;;=;;total ;;number ;;of ;;cups

Solution:   Total number of cups =  frac{4}{7}times 4200

                                                 =4times 600

                                                = 2400

Illustration: Find frac{5}{7};; of ;;98

Solution:  frac{5}{7}times 98

              =5times 14

             = 70

Sample Questions
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Question : 1

A football team played 30, matches in one season and won 40% of them. Number of matches they won is

Right Option : A
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Explanation
Question : 2

Malvika gets 98 marks in her exams.This amounts to 56% of the total marks. What are the maximum marks?

Right Option : A
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Explanation
Question : 3

At an election, a candidate gets 9% less than those ontained by his rival who gets 3100 votes. Find the number of votes cast in favour of the loser (the defeated).

Right Option : A
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Explanation
 
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