Rs Aggarwal 2017 Solutions for Class 7 Math Chapter 22 Bar Graph are provided here with simple step-by-step explanations. These solutions for Bar Graph are extremely popular among Class 7 students for Math Bar Graph Solutions come handy for quickly completing your homework and preparing for exams. All questions and answers from the Rs Aggarwal 2017 Book of Class 7 Math Chapter 22 are provided here for you for free. You will also love the ad-free experience on Meritnation’s Rs Aggarwal 2017 Solutions. All Rs Aggarwal 2017 Solutions for class Class 7 Math are prepared by experts and are 100% accurate.
Page No 275:
Answer:
We can draw the bar graph by following the given steps:
Step 1.- On a graph paper, draw a horizontal line OX as x-axis and vertical line OY as y-axis.
Step 2.- Along OX, write the names of the subjects at the points that are taken at a uniform gap.
Step 3.- Choose the scale:
1 big division = 10 marks
1 small division = 1 mark
Step 4.- Heights of the various bars are:
Hindi = 43 small divisions = 4 big divisions and 3 small divisions
English = 56 small divisions = 5 big divisions and 6 small divisions
Maths = 80 small divisions = 8 big divisions
Science = 65 small divisions = 6 big divisions and 5 small divisions
Social Science = 50 small divisions = 5 big divisions
Step 5.- Draw bars of equal width on the x-axis. The difference between the two bars should also be the same.
Page No 275:
Answer:
We can draw the bar graph by following the given steps:
Step 1.- On a graph paper, draw a horizontal line OX as x-axis and vertical line OY as y-axis.
Step 2.- Along OX, write the names of the sports at the points that are taken at a uniform gap.
Step 3.- Choose the scale:
1 big division = 10 students
1 small division = 1 student
Step 4.- Heights of the various bars:
Cricket = 75 small divisions = 7 big divisions and 5 small divisions
Football = 35 small divisions = 3 big divisions and 5 small divisions
Tennis = 50 small divisions = 5 big divisions
Badminton = 25 small divisions = 2 big divisions and 5 small divisions
Swimming = 65 small divisions = 6 big divisions and 5 small divisions
Step 5.- Draw bars of equal width on the x-axis. The difference between the two bars should also be the same.
Page No 275:
Answer:
We can draw the bar graph by following the given steps:
Step 1.- On a graph paper, draw a horizontal line OX as x-axis and vertical line OY as y-axis.
Step 2.- Along OX, write the years at the points that are taken at a uniform gap.
Step 3.- Choose the scale:
1 big division = 100 students
1 small division = 10 student
Step 4.- Heights of the various bars:
2005−2006 = 80 small divisions = 8 big divisions
2006−2007 = 97.5 small divisions = 9 big divisions and 7.5 small divisions
2007−2008 = 110 small divisions = 11 big divisions
2008−2009 = 140 small divisions = 14 big divisions
2009−2010 = 162.5 small divisions = 16 big divisions and 2.5 small divisions
Step 5.- Draw bars of equal width on the x-axis. The difference between the two bars should also be the same.
We get the following bar graph:
Page No 275:
Answer:
We can draw the bar graph by following the given steps:-
Step 1.- On a graph paper, draw a horizontal line OX as x-axis and vertical line OY as y-axis.
Step 2.- Along OX, write the years at the points that are taken at a uniform gap.
Step 3.- Choose the scale:
1 big division = 2000 scooters
1 small division = 200 scooters
Step 4.- Heights of the various bars:
2004 = 55 small divisions = 5 big divisions and 5 small divisions
2005 = 70 small divisions = 7 big divisions
2006 = 62.5 small divisions = 6 big divisions 2.5 small divisions
2007 = 87.5 small divisions = 8 big divisions and 7.5 small divisions
2008 = 75 small divisions = 7 big divisions and 5 small divisions
2009 = 120 small divisions = 12 big divisions
Step 5.- Draw bars of equal width on the x-axis. The difference between the two bars should also be the same.
We get the following bar graph:
Page No 275:
Answer:
We can draw the bar graph by following the given steps:
Step 1.- On a graph paper, draw a horizontal line OX as x-axis and vertical line OY as y-axis.
Step 2.- Along OX, write the names of the countries at the points that are taken at a uniform gap.
Step 3.- Choose the scale:
1 big division = 5 unit
2 small division = 1 unit
Step 4.- Heights of the various bars:
China = 84 small divisions = 8 big divisions and 4 small divisions
India = 70 small divisions = 7 big divisions
Germany = 28 small divisions = 2 big divisions and 8 small divisions
U.K. = 56 small divisions = 5 big divisions and 6 small divisions
Sweden = 42 small divisions = 4 big divisions and 2 small divisions
Step 5.- Draw bars of equal width on the x-axis. The difference between the two bars should also be the same.
We get the following bar graph:
Page No 275:
Answer:
We can draw the bar graph by following the given steps:
Step 1.- On a graph paper, draw a horizontal line OX as x-axis and vertical line OY as y-axis.
Step 2.- Along OX, write the names of the states at the points that are taken at a uniform gap.
Step 3.- Choose the scale:
1 big division = 100 lakhs
1 small division = 10 lakhs
Step 4.- Heights of the various bars:
Bihar = 82 small divisions = 8 big divisions and 2 small divisions
Jharkhand = 27 small divisions = 2 big divisions and 7 small divisions
Uttar Pradesh = 106 small divisions = 10 big divisions and 6 small divisions
Uttarakhand = 8 small divisions
Madhya Pradesh = 60 small divisions = 6 big divisions
Chhattisgarh = 21 small divisions = 2 big divisions and 1 small division
Step 5.- Draw bars of equal width on the x-axis. The difference between the two bars should also be the same.
We get the following bar graph:
Page No 276:
Answer:
We can draw the bar graph by following the given steps:
Step 1.- On a graph paper, draw a horizontal line OX as x-axis and vertical line OY as y-axis.
Step 2.- Along OX, write the year at the points that are taken at a uniform gap.
Step 3.- Choose the scale:
1 big division = 100 million
1 small division = 10 million
Step 4.- Heights of the various bars:
1951 = 36 small divisions = 3 big divisions and 6 small divisions
1961 = 43.2 small divisions = 4 big divisions and 3.2 small divisions
1971 = 54 small divisions = 5 big divisions and 4 small divisions
1981 = 68.4 small divisions = 6 big divisions and 8.4 small divisions
1991 = 85.2 small divisions = 8 big divisions and 5.2 small divisions
2001 = 102 small divisions = 10 big divisions and 2 small divisions
Step 5.- Draw bars of equal width on the x-axis. The difference between the two bars should also be the same.
We get the following bar graph:
Page No 276:
Answer:
We can draw the bar graph by following the given steps:
Step 1.- On a graph paper, draw a horizontal line OX as x-axis and vertical line OY as y-axis.
Step 2.- Along OX, write the years at the points that are taken at a uniform gap.
Step 3.- Choose the scale:
1 big division = 10 thousand crore rupees
1 small division = 1 thousand crore rupees
Step 4.- Heights of the various bars:
1998−99 = 70 small divisions = 7 big divisions
1999−2000 = 84 small divisions = 8 big divisions and 4 small divisions
2000−2001 = 98 small divisions = 9 big divisions and 8 small divisions
2001−2002 = 106 small divisions = 10 big divisions and 6 small divisions
2002−2003 = 120 small divisions = 12 big divisions
Step 5.- Draw bars of equal width on the x-axis. The difference between the two bars should also be the same.
We get the following bar graph:
Page No 276:
Answer:
We can draw the bar graph by following steps:
Step 1.- On a graph paper, draw a horizontal line OX as x-axis and vertical line OY as y-axis.
Step 2.- Along OX, write the names of the cities at the points that are taken at a uniform gap.
Step 3.- Choose the scale:
1 big division = 100 km
1 small division = 10 km
Step 4.- Heights of the various bars:
Kolkata = 134 small divisions = 13 big divisions and 4 small divisions
Mumbai = 110 small divisions = 11 big divisions
Chennai = 170 small divisions = 17 big divisions
Hyderabad = 122 small divisions = 12 big divisions and 2 small divisions
Step 5.- Draw bars of equal width on the x-axis. The difference between the two bars should also be the same.
We get the following bar graph:
Page No 276:
Answer:
We can draw the bar graph by following the given steps:
Step 1.- On a graph paper, draw a horizontal line OX as x-axis and vertical line OY as y-axis.
Step 2.- Along OX, write the names of the countries at the points that are taken at a uniform gap.
Step 3.- Choose the scale:
1 big division = 10 years
1 small division = 1 year
Step 4.- Heights of the various bars:
Japan = 76 small divisions = 7 big divisions and 6 small divisions
India = 57 small divisions = 5 big divisions and 7 small divisions
Britain = 70 small divisions = 7 big divisions
Ethiopia = 43 small divisions = 4 big divisions and 3 small divisions
Cambodia = 36 small divisions = 3 big divisions and 6 small divisions
Step 5.- Draw bars of equal width on the x-axis. The difference between the two bars should also be the same.
We get the following bar graph:
Page No 276:
Answer:
We can draw the bar graph by following steps:
Step 1.- On a graph paper, draw a horizontal line OX as x-axis and vertical line OY as y-axis.
Step 2.- Along OX, write the years at the points that are taken at a uniform gap.
Step 3.- Choose the scale:
1 big division = 20 thousand crore rupees
1 small division = 2 thousand crore rupees
Step 4.- Heights of the various bars:
2001−02 = 74 small divisions = 7 big divisions and 4 small divisions
2002−03 = 88 small divisions = 8 big divisions and 8 small divisions
2003−04 = 102 small divisions = 10 big divisions and 2 small divisions
2004−05 = 116 small divisions = 11 big divisions and 6 small divisions
2005−06 = 90 small divisions = 9 big divisions
Step 5.- Draw bars of equal width on the x-axis. The difference between the two bars should also be the same.
We get the following bar graph:
Page No 276:
Answer:
We can draw the bar graph by following the given steps:
Step 1- On a graph paper, draw a horizontal line OX as x-axis and vertical line OY as y-axis.
Step 2- Along OX, write the names of the months at the points taken at a uniform gap.
Step 3- Choose the scale:
1 big division = 5 cm
2 small divisions = 1 cm
Step 4- Heights of the various bars:
June = 50 small divisions = 5 big divisions
July = 60 small divisions = 6 big divisions
August = 80 small divisions = 8 big divisions
September = 40 small divisions = 4 big divisions
October = 20 small divisions = 2 big divisions
November = 10 small divisions = 1 big division
Step 5- Draw bars of equal width on the x-axis. The difference between the two bars should also be the same.
We get the following bar graph:
Page No 276:
Answer:
We can draw the bar graph by following the given steps:
Step 1.- On a graph paper, draw a horizontal line OX as x-axis and vertical line OY as y-axis.
Step 2.- Along OX, write the names of the brands at the points that are taken at a uniform gap.
Step 3.- Choose the scale:
1 big division = 5%
2 small divisions = 1%
Step 4.- Heights of the various bars:
A = 90 small divisions = 9 big divisions
B = 50 small divisions = 5 big divisions
C = 30 small divisions = 3 big divisions
D = 20 small divisions = 2 big divisions
Others = 10 small divisions = 1 big division
Step 5.- Draw bars of equal width on the x-axis. The difference between the two bars should also be the same.
We get the following bar graph:
Page No 276:
Answer:
We can draw the bar graph by following the given steps:
Step 1- On a graph paper, draw a horizontal line OX as x-axis and vertical line OY as y-axis.
Step 2- Along OX, write the names of the week at the points that are taken at a uniform gap.
Step 3- Choose the scale:
1 big division = Rs 500
1 small division = Rs 50
Step 4- Heights of the various bars:
First week = 170 small divisions = 17 big divisions
Second week = 175 small divisions = 17 big divisions and 5 small divisions
Third week = 181 small divisions = 18 big divisions and 1 small division
Fourth week = 185 small divisions = 18 big divisions and 5 small divisions
Step 5- Draw bars of equal width on the x-axis. The difference between the two bars should also be the same.
We get the following bar graph:
Page No 276:
Answer:
We can draw the bar graph by following the given steps:
Step 1- On a graph paper, draw a horizontal line OX as x-axis and vertical line OY as y-axis.
Step 2- Along OX, write the names of the modes of transport at the points taken at a uniform gap.
Step 3- Choose the scale:
1 big division = 50 students
1 small division = 5 student
Step 4- Heights of the various bars:
School bus = 128 small divisions = 12 big divisions and 8 small divisions
Private bus = 72 small divisions = 7 big divisions and 2 small divisions
Bicycle = 98 small divisions = 9 big divisions and 8 small divisions
Rickshaw = 42 small divisions = 4 big divisions and 2 small divisions
By foot = 30 small divisions = 3 big divisions
Step 5- Draw the bars of equal width on x-axis. The difference between the two bars should also be the same.
We get the following bar graph:
Page No 277:
Answer:
(i) The bar graph shows the marks obtained by a student in an examination in various subjects.
(ii) The student is very good in mathematics.
(iii) The student is poor in Hindi.
(iv) Marks scored in English = 60
Marks scored in Hindi = 35
Marks scored in mathematics = 75
Marks scored in social science = 50
Marks scored in science = 60
∴ Average marks =
Page No 277:
Answer:
(i) The bar graph shows the number of members in each of the 85 families.
(ii) 40 families have three members each.
(iii) Number of people living alone = 85 − (5+40+25+15)
= 85 − 85
= 0
(iv) The most common family is that with three members.
Each such family has three members .
Page No 277:
Answer:
(i) Mount Everest is the highest peak and it's height is 8800 m.
(ii) Height of the highest peak, Mount Everest = 8800 m
Height of the second highest peak, Kanchenjunga = 8200 m
Ratio =
(iii) Heights of the peaks are 6000 m, 8000 m, 7500 m, 8200 m and 8800 m.
Heights in descending order:
8200 m, 8000 m, 7500 m, 6000 m
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