Study the double bar graph shown below and answer the questions that follow:
(a) What information is represented by the above double bar graph?
(b) In which month sales of Brand A decreased as compared to the previous month?
(c) What is the difference in sales of both the Brands for the month of June?
(d) Find the average sales of Brand B for the six months.
(e) List all months for which the sales of Brand B was less than that of Brand A.
(f) Find the ratio of sales of Brand A as compared to Brand B for the month of January.
Solution:
Given, the figure represents a double bar graph.
(a) We have to find the information depicted by the above double bar graph.
The double bar graph represents the information about the comparison sales of two brands A and B during the months January to June.
(b) We have to find the month in which the sales of Brand A decreased as compared to the previous month.
From the graph,
The sales of brand B in March decreased as compared to the previous month.
(c) We have to find the difference in sales of both the Brands for the month of June.
Sales of Brand A for the month of June = 57 lakhs
Sales of Brand B for the month of June = 54 lakhs
Difference in sales = 57 - 54 = 3 lakhs
(d) We have to find the average sales of Brand B for the six months.
Average of Sales of Brand B = sales in every month/ total number of months
Sales in every month = 36 + 38 + 43 + 35 + 45 + 54 = 251
Number of months = 6
Average of sales = 251/6 = 41.83 lakhs.
(e) We have to list all months for which the sales of Brand B were less than that of Brand A.
From the graph,
In April and June, the sales of Brand B was less than that of Brand A.
(f) We have to find the ratio of sales of Brand A as compared to Brand B for the month of January.
Sales of Brand B for the month of January = 31 lakh
Sales of Brand A for the month of January = 36 lakh
Ratio = 31/36
= 31 : 36
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☛ Also Check: NCERT Solutions for Class 7 Maths Chapter 3
NCERT Exemplar Class 7 Maths Chapter 3 Problem 78
Study the double bar graph shown below and answer the questions that follow: (a) What information is represented by the above double bar graph? (b) In which month sales of Brand A decreased as compared to the previous month? (c) What is the difference in sales of both the Brands for the month of June? (d) Find the average sales of Brand B for the six months. (e) List all months for which the sales of Brand B was less than that of Brand A. (f) Find the ratio of sales of Brand A as compared to Brand B for the month of January.
Summary:
(a) The double bar graph represents the information about the comparison sales of two brands A and B during the months January to June, (b) In March, the sales of Brand A decreased as compared to the previous month, (c) The difference in sales of both the Brands for the month of June is 3 lakhs, (d) The average sales of Brand B for the six months is 41.83 lakhs, (e) The sales of Brand B was less than that of Brand A in the months of April and June, (f) The ratio of sales of Brand A as compared to Brand B for the month of January is 31 : 36
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