Page 202 - Maths Skills - 8
P. 202

200                                                                                                  Maths
                                                                    (  6000  )
                       (iii) Central angle corresponding to Annuity =    57600   × 360° = 37.5°

                                                                                           5252
                       (iv) Required ratio = Funds for SPVS/funds for Market Borrowing =   29952   = 101:576





                                                   Exercise 12.3


        Direction: (Q-1 to 5) : Prepare pie charts or circle graphs for the questions given below.
          1.  The monthly expenditure on various items of a family is given below.

               Items                     Food             House Rent              Misc.             School Fees

               Amount Spent             ` 2400               ` 2800               ` 3000              ` 1400

         2.    A group of 100 children was asked to name their    3.  The favourite TV channels of 450 children are
             favourite flavour of ice creams.                      given in the table.
               Favourite Flavours         No. of Children               TV Channels                No. of children

                   Butterscotch                 24                   National Geographic              266
                   Chocolate                    46                   Star Sports                      66

                   Vanilla                      17                   VH1                              68
                   Mango                        13                   MTV                              30

                                                                     Others                           20

           4.  The favourite holiday destinations of 1000 citizens    5.  The number of students in a hostel, speaking
             of Delhi are shown below.                             different languages is given below.

              Holiday Destinations        No. of citizens                 Languages           Number of students

                   Kashmir                      235                       Hindi                       40
                   Manali                       345                       English                     12

                   Mumbai                       110                       Marathi                      9
                   Chandigarh                   200                       Tamil                        7

                   Abroad                       110                       Bengali                      4
                                                                          Total                       72

          6.  A survey was carried out to find the type of music that a certain group of young people liked in a city.
            The pie chart given below shows the findings of this survey.             Music Lovers

            Using this pie chart answer the following questions:
             (i)   If 45 people liked classical music, how many young people        20%                  Semi Classical
                were surveyed?                                                               40%         Classical
            (ii)   Which type of music is liked by the minimum number of         10%                     Folk
                people?                                                                                  Light
                                                                                      30%
            (iii)   If a cassette company were to make 2000 CD’s, how many
                of each type would they make?
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