NCERT Solutions Class 7 Maths Chapter 3 Data Handling – Here are all the NCERT solutions for Class 7 Maths Chapter 3. This solution contains questions, answers, images, explanations of the complete chapter 3 titled Data Handling of Maths taught in class 7. If you are a student of class 7 who is using NCERT Textbook to study Maths, then you must come across chapter 3 Data Handling. After you have studied lesson, you must be looking for answers of its questions. Here you can get complete NCERT Solutions for Class 7 Maths Chapter 3 Data Handling in one place.
NCERT Solutions Class 7 Maths Chapter 3 Data Handling
Here on AglaSem Schools, you can access to NCERT Book Solutions in free pdf for Maths for Class 7 so that you can refer them as and when required. The NCERT Solutions to the questions after every unit of NCERT textbooks aimed at helping students solving difficult questions.
For a better understanding of this chapter, you should also see summary of Chapter 3 Data Handling , Maths, Class 7.
| Class | 7 |
| Subject | Maths |
| Book | Mathematics |
| Chapter Number | 3 |
| Chapter Name |
Data Handling |
NCERT Solutions Class 7 Maths chapter 3 Data Handling
Class 7, Maths chapter 3, Data Handling solutions are given below in PDF format. You can view them online or download PDF file for future use.
Data Handling
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Question & Answer
Q.1: Find the mean of your sleeping hours during one week.
Ans : DIY
Q.2: Find at least 5 numbers between \(\frac { 1 } { 2 }\)and \(\frac { 1 } { 3 }\).
Ans : Missing
Q.3: Find the range of heights of any ten students of your class.
Ans : Let the heights (in cm) of 10 students of our class be 125, 127, 132, 133, 134, 136,138, 141, 144, 146 Highest value among these observations = 146 Lowest value among these observations = 125 Range = Highest value - Lowest value = (146 - 125) cm = 21 cm
Q.4: Organise the following marks in a class assessment, in a tabular form.
4, 6, 7, 5, 3, 5, 4, 5, 2, 6, 2, 5, 1, 9, 6, 5, 8, 4, 6, 7
(i) Which number is the highest?
(ii) Which number is the lowest?
(iii) What is the range of the data?
(iv) Find the arithmetic mean.
Ans :(i) Highest number = 9 (ii) Lowest number = 1 (iii) Range = (9 - 1) = 8 (iv) Sum of all the observations = 4 + 6 + 7 + 5 + 3 + 5 + 4 + 5 + 2 + 6 + 2 +5 + 1 + 9 + 6 + 5 + 8 + 4 + 6 + 7 = 100 Total number of observations = 20 Arithmetic mean \( =\frac{\text { Sum of all the observations }}{\text { Total number of the observations }}=\frac{100}{20}=5\)
Q.5: Find the mean of the first five whole numbers.
Ans : First five whole numbers are 0, 1, 2, 3, and 4. Mean = \( \frac { 0 + 1 + 2 + 3 + 4 } { 5 } \) = \( \frac {10 } { 5 } \) = 2 Therefore, the mean of first five whole numbers is 2.
NCERT / CBSE Book for Class 7 Maths
You can download the NCERT Book for Class 7 Maths in PDF format for free. Otherwise you can also buy it easily online.
- Click here for NCERT Book for Class 7 Maths
- Click here to buy NCERT Book for Class 7 Maths
All NCERT Solutions Class 7
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