Graphical Representation of Data
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Q1
The following pictograph shows the number of computers sold by a company during a week. The total number of computers sold on wednesday was
Marks:1Answer:
15.
Explanation:
Total number of computers sold on Wednesday = 3 x 5 = 15 computers 
Q2
The following bar graph shows the number of copies of the book ‘Mathematics for class VI’ sold by a bookseller during the period from April 2008 to August 2008. The sale of the books was maximum in the month of
Marks:1Answer:
April.
Explanation:
The sale of the books was maximum in the month of April as the height of the rectangular bar corresponding to April month is maximum. 
Q3
The following bar graph shows the number of students in a particular class. According to the bar graph, every year, the number of added new students are
Marks:1Answer:
10
Explanation:
From the bar graph,
the number of student in 2000 year = 30
the number of student in 2001 year = 40 = 30 + 10
the number of student in 2002 year = 50 = 40 + 10
the number of student in 2003 year = 60 = 50 + 10
so, every year 10 students are added. 
Q4
Study the bar graph representing the number of persons in various age groups and answer the question.
The number of persons are more in the age group 1015 than in the age group 30 35 isMarks:1Answer:
300.
Explanation:
Number of persons in the age group 10  15 = 1400
Number of persons in the age group 30  35 = 1100
Number of persons more in age 1015 than 30 – 35 = 1400 – 1100 = 300. 
Q5
Read the bar graph shown in the figure and answer the following question
The shoe number is worn by the maximum numbers of students isMarks:1Answer:
Shoe No. 7.
Explanation:
Shoe number 7 is worn by maximum number of students