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 Activities
Question 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.)