Class 7 Maths Chapter 3 Exercise-3.1 Solutions (New 2023 Syllabus)
Here we have provided you with Class 7 Maths Chapter 3 Exercise-3.1 Solutions and these solutions are designed by professional teachers catering to the need of the students by following the latest syllabus issued by the CBSE. The exercise covered here contains 9 questions in total all questions are based on the idea of finding the Arithmetic Mean, Range, lowest and highest observation from a given set of observations.
1. Find the range of heights of any ten students of your class.
2. Organise the following marks in a class assessment, in a tabular form:
3. Find the mean of the first five whole numbers.
4. A cricketer scores the following runs in eight innings:
5. Following table shows the points of each player scored in four games:
6. The marks (out of 100) obtained by a group of students in a science test are 85, 76, 90, 85, 39, 48, 56, 95, 81 and 75. Find the:
7. The enrolment in a school during six consecutive years was as follows: 1555, 1670, 1750, 2013, 2540, 2820. Find the mean enrolment of the school for this period.
8. The rainfall (in mm) in a city on 7 days of a certain week was recorded as follows:
9. The height of 10 girls were measured in cm and the results are as follows: 135, 150, 139, 128, 151, 132, 146, 149, 143, 141.
