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PIE CHART

A pie chart is a circular chart divided into sectors. In a pie chart, the arc length of each sector (and consequently its central angle and area), is proportional to the quantity it represents.
Ex: Following Pie-chart shows the different colours of cars using by 14400 persons in a town.     
1. How many persons using white colour cars?
1) 720                2) 2880           3) 1050           4) 1440           5) None of these
Sol: Number of persons using white color cars
       
Hence answer is (2)

 

2. Number of persons using yellow colour cars is what percent of the number of persons using black colour cars?
1) 75%             2) 10%              3) 50%            4) 40%           5) None
Sol: Required percent is 
Hence answer is (1).

 

TABLES

Data is given in rows and columns. A row is a series of cells going horizontally across the table. A column is a series of cells going vertically or up and down the table.
Ex: Following table gives the number of scooters produced by five companies A, B, C, D and E over the years. Production is in thousands.

1. The percentage lead in the production of scooters by company B from 2005 to 2006 was
1) 20%             2) 30%              3) 25%                4) 60%                    5) 32.5%
Sol : Required percent is
                         
Hence answer is (4)

 

2. In which of the following years was the production of scooters of all the companies put together the maximum?
1) 2005           2) 2009            3) 2004              4) 2008                    5) 2006
Sol :    Production in
             2004 = 12 + 8 + 7 + 6 + 10 = 43
             2005 = 10 + 8 + 9 + 6 + 12 = 45
             2006 = 6 + 5 + 9 + 8 + 10 = 38
             2007 = 5 + 10 + 8 + 13 + 9 = 45
             2008 = 9 + 8 + 12 + 5 + 13 = 47
             2009 = 10 + 14 + 10 + 8 + 12 = 54
Highest production is in 2009,
∴ answer is (2)
Note:
Without calculations, by the observation of the figures we can make out that in 2009 the production will be highest as there are many double digit figures in that year.

Posted Date : 07-02-2021

 

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