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

(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 = Number of students in class sixth/Number of students in class eighth
= 120/100
= 6/5 = 6:5

Class 7 Maths Chapter 3 Exercise 3.3

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