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Number of children in six different classes are given below. Represent the data on a bar graph.

classFifthSixthSeventhEighthNinthTenth
no. of children135120951009080

(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 eighth.

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Data represented by the bar graph is as follows:

(a) Scale: 1 unit = 25 children 

(b)(i) Fifth class has the maximum number of children and Tenth class has the minimum number of children

(ii) Ratio = 

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