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Bar Graphs — Maths STD 7 — Question

Maharashtra BoardEnglish MediumSTD 7MathsBar Graphs5 Marks
Question
Gold prices on 4 consecutive Tuesdays were as under:
Week First Second Third Fourth
Rate per 10gm (in Rs.) 8500 8750 9050 9250
Draw a bar graph to show this imformation.
✓

Answer

We can draw the bar graph by following the given steps:
Step I: On a graph paper, draw a horizontal line OX as X-axis and vertical line OY as Y-axis.
Step II: Along OX, write the names of the week at the points that are taken at a uniform gap.
Step III: Choose the scale:
1 big division = Rs 500
1 small division = Rs 50
Step IV: Heights of the various bars:
First week = 170 small divisions = 17 big divisions.
Second week = 175 small divisions = 17 big divisions and 5 small divisions.
Third week = 181 small divisions = 18 big divisions and 1 small division.
Fourth week = 185 small divisions = 18 big divisions and 5 small divisions.
Step V: Draw bars of equal width on the X-axis. The difference between the two bars should also be the same.
We get the following bar graph:

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