Ncert Solutions For Class 9 Maths Ex 14.3

Ncert Solutions For Class 9 Maths Chapter 14 Ex 14.3

Q1) A survey conducted by an association for the cause of illness and death among the men belonging to an age limit of 15 – 44 (in years) throughout the whole world, found the following figures (in %):

SL.NO. CAUSES MALE FATALITY RATE(%)
1. Reproductive health conditions 31.8
2. Neuropsychiatric conditions 25.4
3. Injuries 12.4
4. Cardiovascular conditions 4.3
5. Respiratory conditions 4.1
6. Other issues 22.0

 

(i)         Evaluate the above given information graphically.

(ii)        What condition is the major cause of men’s ill health and death                                worldwide?

(iii)       Try to figure out, the actual cause in (ii).

 

Solution:

(i)The data can be evaluated graphically as represented below,

e3q1

 

(ii)        It can be noticed from the above graphical data that reproductive health conditions can be considered as the major cause of men’s ill health and death throughout the whole world.

 

(iii)       Now the actual cause of (ii) is -:

 

(a)  Absence of proper care and understanding.

(b)  Due to absence of medical facilities.

 

Q2) Given below is the data of number of boys (to the nearest ten) per thousand girls in different sections of Indian society.

 

SL.NO. SECTION NUMBER OF BOYS PER THOUSAND GIRLS
1 Scheduled caste (SC) 900
2 Scheduled Tribe (ST) 920
3 Non SC/ST 930
4 Backward districts 950
5 Non-backward districts 960
6 Rural 970
7 Urban 940

 

(i) Interpret the above information through a bar graph.

(ii)Discuss the conclusions that can be made from the graph.

Solution:

(i)

e3q2

 

(ii)  From the above graph it can be identified that the maximum number of boys per thousand girls is in rural. Also, the non-backward districts and backward districts have more number of boys per thousand girls than urban areas.

 

Related Links
Ncert 12 Maths Book Ncert Books Class 12
Ncert Exemplar Books Ncert Exemplar Solutions
Ncert Books Class 6 Maths Ncert Books Class 10 Maths
Ncert Books Class 6 Science Ncert Exemplar Class 8 Maths
Ncert Exemplar Class 9 Maths Ncert Exemplar Class 10 Maths
Ncert Exemplar Class 8 Science Ncert Books Download