Balbharti
Maharashtra State Board Class 7 Maths Solutions covers the 7th Std Maths Practice Set 31 Answers Solutions Chapter 7 Joint Bar Graph.
Question 1.
The number of saplings planted by schools on World Tree Day is given in the table below. Draw a joint bar graph to show these figures.
School Name\Name of Sapling |
Almond |
Karanj |
Neem |
Ashok |
Gulmohar |
Nutan Vidyalaya |
40 |
60 |
72 |
15 |
42 |
Bharat Vidyalaya |
42 |
38 |
60 |
25 |
40 |
Solution:

Question 2.
The table below shows the number of people who had the different juices at a juice bar on a Saturday and a Sunday. Draw a joint bar graph for this data.
Days\Fruits |
Sweet Lime |
Orange |
Apple |
Pineapple |
Saturday |
43 |
30 |
56 |
40 |
Sunday |
59 |
65 |
78 |
67 |
Solution:

Question 3.
The following numbers of votes were cast at 5 polling booths during the Gram Panchayat elections. Draw a joint bar graph for this data.
Persons\Booth No. |
1 |
2 |
3 |
4 |
5 |
Men |
200 |
270 |
560 |
820 |
850 |
Women |
700 |
240 |
340 |
640 |
470 |
Solution:

Question 4.
The maximum and minimum temperatures of five Indian cities are given in °C. Draw a joint bar graph for this data.
City\Temperature |
Delhi |
Mumbai |
Kolkata |
Nagpur |
Kapurthala |
Maximum temperature |
35 |
32 |
37 |
41 |
37 |
Minimum temperature |
26 |
25 |
26 |
29 |
26 |
Solution:

Question 5.
The numbers of children vaccinated in one day at the government hospitals in Solapur and Pune are given in the table. Draw a joint bar graph for this data:
City\Vaccine |
D.P.T. (Booster) |
Polio (Booster) |
Measles |
Hepatitis |
Solapur |
65 |
60 |
65 |
63 |
Pune |
89 |
87 |
88 |
86 |
Solution:

Question 6.
The percentage of literate people in the states of Maharashtra and Gujarat are given below. Draw a joint bar graph for this data.
State\Year |
1971 |
1981 |
1991 |
2001 |
2011 |
Maharashtra |
46 |
57 |
65 |
77 |
83 |
Gujarat |
40 |
45 |
61 |
69 |
79 |
Solution:
Maharashtra Board Class 7 Maths Chapter 7 Joint Bar Graph Practice Set 31 Intext Questions and ActivitiesQuestion 1.
Observe the graph shown below and answer the following questions. (Textbook pg. no. 51)

Solution:
Question 2.
The minimum and maximum temperature in Pune for five days is given. Read the joint bar graph and answer the questions below: (Textbook pg. no. 52)

Solution:
Question 3.
Collect various kinds of graphs from newspapers and discuss them. (Textbook pg. no. 53)
i. Histogram

ii. Line graph

iii. Pie chart

Solution:
(Students should attempt the above activities on their own.)