Introduction to Data Interpretation
Direction: The following bar diagram analyse the sale of a company from 2000 to 2005, Examine the diagram and answer the questions.
 The sales in 2001 are how many times those of 2002?

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On the basis of given graph in question ,
The sales in 2001 = $ 320 thousands
The sales in 2002 = $ 400 thousandsRequired answer = The sales in 2001 The sales in 2002
Correct Option: B
On the basis of given graph in question ,
The sales in 2001 = $ 320 thousands
The sales in 2002 = $ 400 thousandsRequired answer = The sales in 2001 The sales in 2002 Required answer = 320 = 0.8 400
 By what amount are the sales in 2003 more than those in 2001?

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From the given bar diagram , we see
The sales in 2003 = $ 420 × 1000
The sales in 2001 = $ 320 × 1000
Required difference = The sales in 2003  The sales in 2001Correct Option: B
From the given bar diagram , we see
The sales in 2003 = $ 420 × 1000
The sales in 2001 = $ 320 × 1000
Required difference = The sales in 2003  The sales in 2001
∴ Required difference = (420 – 320) × 1000 = $ 100000
 In which year did the sales show the least decrease to that of the preceding year?

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On the basis of given graph in question ,
The sale in year 2000 = 340
The sale in year 2001 = 320
Decrease = The sale in year 2000  The sale in year 2001 = 340  320 = 20Percentage decrease(2001) = Decrease × 100 The sale in year 2000 Percentage decrease(2001) = 20 × 100 = 6% 340
The sale in year 2004 = 440
The sale in year 2005 = 400
Decrease = The sale in year 2004  The sale in year 2005 = 440  400 = 40Percentage decrease(2005) = Decrease × 100 The sale in year 2004
Correct Option: C
On the basis of given graph in question ,
The sale in year 2000 = 340
The sale in year 2001 = 320
Decrease = The sale in year 2000  The sale in year 2001 = 340  320 = 20Percentage decrease(2001) = Decrease × 100 The sale in year 2000 Percentage decrease(2001) = 20 × 100 = 6% 340
The sale in year 2004 = 440
The sale in year 2005 = 400
Decrease = The sale in year 2004  The sale in year 2005 = 440  400 = 40Percentage decrease(2005) = Decrease × 100 The sale in year 2004 Percentage decrease (2005) = 40 × 100 = 9% 440
∴ % decrease is least in 2001
 The sales in 2004 are what percentage of those in 2002?

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As per the given bar graph ,
The sales in 2004 = 440
The sales in 2002 = 400Required percentage = The sales in 2004 × 100 The sales in 2002
Correct Option: C
As per the given bar graph ,
The sales in 2004 = 440
The sales in 2002 = 400Required percentage = The sales in 2004 × 100 The sales in 2002 Required percentage = 440 × 100 = 110% 400
Direction: The bar graph given below shows the total number of students in six sections of a class VI of a certain school. Using this graph, answer the question.
 The percentage of students in section C out of the total students in class VI is approximately

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On the basis of given graph in question ,
Number of the students in section C = 31
Total number of the students in class VI = 34 + 35 + 31 + 32 + 33 + 34 = 199Required percentage = Number of the students in section C × 100 Total number of the students in class VI
Correct Option: D
On the basis of given graph in question ,
Number of the students in section C = 31
Total number of the students in class VI = 34 + 35 + 31 + 32 + 33 + 34 = 199Required percentage = Number of the students in section C × 100 Total number of the students in class VI Required percentage = 31 × 100 = 15.57% 199