**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.

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### NCERT Solutions Class 7 Maths chapter 3 Data Handling- Video

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### Download NCERT Solutions Class 7 Maths chapter 3 Data Handling In PDF Format

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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

- NCERT Solutions for Class 7 English
- NCERT Solutions for Class 7 Hindi
- NCERT Solutions for Class 7 Maths
- NCERT Solutions for Class 7 Science
- NCERT Solutions for Class 7 Social Science
- NCERT Solutions for Class 7 Sanskrit

### All NCERT Solutions

You can also check out NCERT Solutions of other classes here. Click on the class number below to go to relevant NCERT Solutions of Class 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12.

Class 4 | Class 5 | Class 6 |

Class 7 | Class 8 | Class 9 |

Class 10 | Class 11 | Class 12 |

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