Assam SCERT Solutions for Class 7 Maths Chapter 3 Data Handling Exercise 3.3
Chapter 3: Data Handling
SCERT Assam Class 7 Maths Chapter 3 Solutions
| Exercise | Solution Link |
|---|---|
| Exercise 3.1 | Click Here |
| Exercise 3.2 | Click Here |
| Exercise 3.3 | Click Here |
| Exercise 3.4 | Click Here |
Exercise – 3.3
1. Answer the following questions with the help of a Bar Graph:
(a) The number of students who like different games is shown in a Bar Graph. Answer the following questions based on it:
(i) How many students like football?
(ii) How many students like all four games?
(iii) What is the difference between the highest number of students who like a
particular game and the least number of students who like another particular
game?
Solution:
(i) 60 students like football.
(ii) The total number of students who like all four games = (40+60+45+50) =
195.
(iii) The highest number of students liking a game = 60, and the least number =
40. The difference = 60 - 40 = 20.
(b) In a mathematics test, marks secured by students are 60, 65, 70, 75, 80 (out of 100). The marks are displayed in a Bar Graph.
(i) How many students scored more than 70?
(ii) How many students scored equal marks, and what is the mark?
(iii) How many students scored 65 and 75 marks, respectively?
Solution:
(i) 8 students scored more than 70.
(ii) 8 students scored equal marks, which are 60 and 70.
(iii) The total number of students who scored 65 and 75 marks = 6 + 5 = 11.
2. The number of trainees admitted to a swimming training center in the last five years is given below:
| Year | 2014 | 2015 | 2016 | 2017 | 2018 |
|---|---|---|---|---|---|
| Number of trainees | 650 | 700 | 450 | 500 | 600 |
Using an appropriate scale, draw the Bar Graph and answer the following questions:
(i) Which year has the highest number of trainers?
(ii) What is the total number of trainees who took admission in the year 2014, 2015 and 2016?
Solution:
(i) The highest number of trainees was admitted in 2015.
(ii) Total trainees in 2014, 2015, and 2016 = 650 + 700 + 450 = 1800.
3. The number of students who like or dislike different colors is given below:
| Colours | Blue | Green | Red | Violet |
|---|---|---|---|---|
| Students who like | 14 | 15 | 12 | 14 |
| Students who do not like | 7 | 10 | 6 | 5 |
Using an appropriate scale, draw a double Bar Graph.
Solution: Scale: 1 Unit = 2 students
4. Marks scored by a student in all the four evaluations in Class VI and Class VII out of total marks of 200 are given in the table. Using appropriate scale draw a double Bar graph and answer the following questions:
| Class | English | Mathematics | Science | Assamese | Social Studies |
|---|---|---|---|---|---|
| VI | 144 | 164 | 160 | 134 | 170 |
| VII | 130 | 175 | 170 | 165 | 150 |
(i) In which subject has the student shown the best
performance?
(ii) In which subject is the performance the worst?
(iii) In which subject did the student score the highest marks, and in which
class?
Solution:
(i) The student has shown the best performance in Mathematics (175 in Class VII).
(ii) The worst performance is in English (130 in Class VII).
(iii) The highest marks scored by the student are 175 in Mathematics (Class VII).
5. The numbers of books sold by a book stall in English and Assamese during last four years are as follows. Using appropriate scale draw a double bar graph and answer the following questions.
| Years | 2014 | 2015 | 2016 | 2017 |
|---|---|---|---|---|
| English | 350 | 400 | 300 | 600 |
| Assamese | 500 | 600 | 450 | 650 |
(i) In which year were the highest numbers of Assamese books
sold?
(ii) What is the difference between the number of Assamese and English books
sold in 2016?
(iii) How many books were sold in total in the year 2015?
Solution:
(i) The highest number of Assamese books were sold in 2017.
(ii) The difference between Assamese and English books sold in 2016 = 450 - 300 = 150.
(iii) Total books sold in 2015 = 400 + 600 = 1000.
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Assam SCERT Solutions for Class 7 Maths Chapter 3 Data Handling – Exercise 3.3 (2025-26) | Download Free PDF
Students can now access SCERT Assam Solutions for Class 7 Maths Chapter 3 – Data Handling (Exercise 3.3, English Medium), designed as per the latest syllabus for the 2025-26 academic session. These solutions, prepared by subject experts at Digital Pipal Academy, help students develop a strong understanding of data representation and probability.
Topics Covered in Exercise 3.3:
✔ Probability basics – Understanding
chance and likelihood of events
✔ Real-life applications of probability in games, weather
forecasting, and predictions
✔ Solving probability-based questions using simple methods
Key Features of SCERT Assam Class 7 Maths Solutions:
✔ Step-by-step solutions for better
clarity
✔ Practice online to strengthen conceptual understanding
✔ Download free PDF for offline study
✔ Exercise-wise solutions to help students achieve higher
marks
SCERT Assam Class 7 Maths Chapter 3 Data Handling – Exercise 3.3
Click on the link below to access detailed solutions for Exercise 3.3:
🔹 Exercise 3.3 Solutions – [Click Here]
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