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.
Solution:
Let's represent the given data on a bar graph as shown below.
a) Scale on y-axis is 1 unit = 10 children
b) (i) Fifth class has the maximum number of children i.e. 135
The tenth class has the minimum number of children i.e. 80
Number of students in class sixth = 120
(ii) Number of students in class eighth = 100
Number of students in class sixth = 120
Ratio of Number of students in class eighth to number of students in class sixth. = 120 : 100 = 6:5 = 6 : 5
☛ Check: NCERT Solutions for Class 7 Maths Chapter 3
Video Solution:
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
NCERT Solutions for Class 7 Maths Chapter 3 Exercise 3.3 Question 3
Summary:
Number of children in six different classes are given. The data is represented on a bar graph. a)Scale on y -axis is 1 unit = 10 children, (ii) Fifth class has the maximum number of children i.e.
135 (iii) Ratio of Number of students in class eighth to class sixth is 6:5
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