Statistics Class 10 Important Questions | NCERT Maths Chapter-14

Surface Areas and Volumes Class 10 Important Questions

The start of class 10 marks the beginning of the foundation for class 11 and class 12. It is very important study the basics in order to understand each and every chapter properly. In this page, we have provided all the important question for cbse class 9 that could be asked in the examination. Students also need to study the ncert solutions for class 10 in order to gain more knowledge and understanding the lessons. Questions and Answers are way to learn the new things in a proper way. NCERT textbooks downloads for class 9 in pdf are also available for the students if they need more help. By downloading these books, they can study from it. Our experts also prepared revision notes for class 9 so that students should see the details of each and every chapters. Class 9 important questions are the best to revise all the chapters in the best way.

Question 3.

Question 4.

Solution:

Short Answer Type Questions II [3 Marks]

Question 5.
The following data gives the information on the observed life times (in hours) of 150 electrical components

Solution:

Question 6.
The average score of boys in the examination of a school is 71 and that of the the girls is 73. The average score of the school in the examination is 71.8. Find the ratio of the number of boys to the number of girls who appeared in the examination.
Solution:
Let number of boys in the school be x
Average score of boys = 71
Total score of boys in the examination of the school = 71xx = 71x
Let number of girls in the school be y
Average score of girls = 73
Total score of girls in the examination of the school = 73 x y = 73y
Now,
average score of the school in examination = 71.8

Question 7.


Solution:

Long Answer Type Questions [4 Marks]

Question 8.

Solution:

Question 9.

Solution:

Question 10.

Solution:

Important Links

NCERT Quick Revision Notes- Statistics

NCERT Solution- Statistics

Important MCQs- Statistics

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