Class 10th Maths Exercise 14.2 NCERT Solutions Chapter Statistics CBSE

 

Class 10th Maths Chapter 14 Statistics Exercise 14.1 NCERT Solution

Question 1) A survey was conducted by a group of student as a part of environment awareness program in which they collected the following data regarding the number of plant in 20 house in a locality find the mean no of plants per house?

Question 2) Consider the following distribution of daily wage of 50 workers of factory find the mean daily wage of the worker of the factory by using appropriate method?

Question 3) The following distribution shows the daily pocket allowance of the children of locality find the mean pocket allowance is 18 find the missing frequency F

Question 4) 30 womens were examine in an hospital by a doctor and the number of heartbeat permanent were recorded and summarized as follow find the mean heartbeat per minute for those women choose a suitable method

Question 4) In A Retail market proof vendors for selling mangoes kept in packing box these box contain number of mango the following was the distribution of mangoes according to the number of boxes find the mean

Question 5) The table below shows the daily expenditure of the food of 20 household and locality find the mean daily expenditure on food was suitable method

Question 8) A class teacher has the following absent you record of 40 student of a class for the whole term find the main number of days a student was absent

 

A Survey was conducted by a group of student as a part of their environment awareness program in which they collected the following data regarding the number of plants in 20 house in and locality . Find the Mean Number of Plants Per House Statistics Chapter 14 Class 10

Question  

 A Survey was conducted by a group of student as a part of their environment awareness program in which they collected the following data regarding the number of plants in 20 house in and locality . Find the Mean Number of Plants Per House

Answer 

 

NCERT Exercise Questions Solutions Of Class 10 Chapter 11 Human Eye And Colourful World Page No 197 & 198

NCERT Exercise Questions Solutions Of Class 10 Chapter 11 Human Eye And Colourful World Page No 197 & 198 Jeet Tutorial

 

Class 10 Chapter 10 Light Reflection And Reflection In Text Questions Page 168

Class 10 Chapter 10 Light Reflection And Refraction

1) Define The Principal Focus of Concave Mirror?

2) The radius of curvature of spherical mirror is 20 cm what is its focal length?

3) Name of mirror that can give an erect and enlarged image of object?

4)Why do we prefer a convex mirror as rear view mirror in vehicle?

1) A number of ray parallel to the principal axis of the mirror they meet at a point on the principle excess of mirror this point is called principle focus of Concave mirror

2) Radius Of Curvature =20cm

Focal length = R/2 =10 cm

3) Concave mirror can give an erect and enlarged image of the object

4)We use a convex mirror as rear view mirror in vehicles as it gives an wider view of the road

 

In Text Questions Of Class 10 Chapter 11 Human Eye And Colourful World On Page 190

1) What is meant by power of accommodation of eye?

2)A person with a myopic I cannot see object beyond 1.2 metre distinctly what should be the type of corrective lens used to restore proper vision?

3)What is the Near Point and far point of human eye with normal vision?

4) A Student has difficulty reading the blackboard while sitting in the last row what could be the defect of the child is suffering from how can it be corrected?