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Q.3 Number of children in six different classes are given below. Represent the data on a bar graph.
(a) How would you choose a scale?
(b) Answer the following questions:
(i) Which class has the maximum number of children? And the minimum?
(ii) Find the ratio of students of class sixth to the students of class eight.
Answer :
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(i) We will take the scale as 1 unit = 10 children.
(ii) (a) Fifth class has the maximum number of children i.e., 135.
(b) Tenth class has the minimum number of children i.e., 80.
(c) Number of children in class eight = 100
Therefore Ratio of class sixth to the students of class eighth
120/100= 6/5= 6:5