RS Aggarwal Solutions Class 7 Chapter 22
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Question 1.Solution:(i) Draw a horizontal line OX and a vertical line OY on the graph representing x-axis and y-axis.(ii) Along OX, mark subjects and along y-axis, mark, number of marks(iii) Take one division = 10 marks.Now we shall draw bar graph as shown.
Question 2.Solution:(i) Draw a horizontal line OX and a vertical line OY on the graph paper. These two lines represent x-axis and y-axis respectively.(ii) Along OX, write sports and along OY, number of students choosing on division equal to 10 students.(iii) Now draw the bars of various heights according to the no. of students as shown on the graph.
Question 3.Solution:(i) Draw a horizontal line OX and a vertical line OY. These represent x-axis and y-axis respectively on the graph paper.(ii) Along OX, write years and along OY, no. of students choosing one division = 200 students.(iii) Draw bars of various heights according to the number of students given.This is the required bar graph as shown.
Question 4.Solution:(i) Draw a horizontal line OX and a vertical line OY which represent x-axis and y-axis respectively on the graph.(ii) Along OX, write years and along OY, no. of scooters(iii) Choose 1 division = 300(iv) Now draw bars of different heights according to given data as shown on the graph.
Question 5.Solution:(i) Draw a horizontal line OX and a vertical line OY representing x-axis and y-axis respectively on the graph paper.(ii) Along OX write countries and along OY, take Birth rate per thousand.(iii) Choose 1 division = 10.(iv) Now draw bars of different heights according to the given data as shown on the graph.
Question 6.Solution:(i) Draw a horizontal line OX and a vertical line OY representing x-axis and y-axis on the graph paper.(ii) Along x-axis write states and along y-axis population in lakhs.(iii) Choose one division = 200 (Lakhs)(iv) Draw bars of different heights according to the data given as shown on the graph.
Question 7.Solution:(i) Draw a horizontal line OX and a vertical line OY representing x-axis and y-axis respectively on the graph paper.(ii) Along x-axis write years and along y-axis Interest in thousand cores rupees.(iii) Choose one division = 20 thousand crore rupees.(iv) Draw bars of different heights according to the given data as shown on the graph.
Question 8.Solution:(i) Draw a horizontal line OX and a vertical line OY representing x-axis and y-axis respectively on the graph paper.(ii) Along x-axis, write city and along y-axis the distance (in km).(iii) Choose one division = 200 km.(iv) Draw bars of different heights according to the given data as shown on the graph.
Question 9.Solution:(i) Draw a horizontal line OX and a vertical line OY represent x-axis and y-axis respectively on the graph paper.(i) Along x-axis write countries and along y-axis life expectancy (in years)(ii) Choose one division = 10 years(iv) Draw bars of different heights according to the given data as shown on the graph.
Question 10.Solution:(i) Draw a horizontal line OX and a vertical line OY representing x-axis and y-axis respectively on the graph paper.(ii) Along x-axis write years and along y-axis imports in thousand crores rupees.(iii) Choose one division = 50 thousand crore rupees.(iv) Draw bars of different heights according to the given data as shown on the graph.
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