Directions for questions 6 to 10: In the following bar-graph students from different classes who participated in a competition has been shown.
What scale has been chosen in making the bar graph?A) 1 cm = 1 student
B) 1 cm = 10 students
C) 1 cm = 20 students
D) 1 cm = 30 students
E) None of these
Correct Answer: B
Solution :
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