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Individuals, groups and leaders who promote human development operate under strong institutional, structural and political constraints that affect policy options. But experience suggests broad principles for shaping an appropriate agenda for human development. One important finding from several decades of human development experience is that focusing exclusively on economic growth is problematic. While we have good knowledge about how to advance health and education, the causes of growth are much less certain and growth is often elusive. Further, an unbalanced emphasis on growth is often associated with negative environmental consequences and adverse distributional effects. The experience of China, with its impressive growth record, reflects these broader concerns and underlines  the importance of balanced approaches that emphasize investments in the non-income aspects of human development. 

Q.  In a town, 45% population read magazine A, 55% read magazine B, 40% read magazine C, 30% read magazines A and B, 15% read magazines Band C, 25% read magazines A and C; and 10% read all the three magazines. What percentage do not read any magazine? 
  • a)
    10%  
  • b)
    15%  
  • c)
    20%  
  • d)
    25% 
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Individuals, groups and leaders who promote human development operate ...

Number of population who read the magazine 
= (45 + 55 + 40) – (30 + 25 +15) + 10 
= 140 – 70 + 10 = 80% 
Number of population who do not read magazine 
= 100 – 80 = 20%
 
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Most Upvoted Answer
Individuals, groups and leaders who promote human development operate ...
Solution:

Given,
Percentage of population who read magazine A = 45%
Percentage of population who read magazine B = 55%
Percentage of population who read magazine C = 40%
Percentage of population who read magazines A and B = 30%
Percentage of population who read magazines B and C = 15%
Percentage of population who read magazines A and C = 25%
Percentage of population who read all the three magazines = 10%

Total population = 100%

To find: Percentage of population who do not read any magazine.

Let x% of the population who do not read any magazine.

Now, we can form the following table:

From the given data, we can form the following Venn diagram:

Let the number of people who read only magazine A be a.
Let the number of people who read only magazine B be b.
Let the number of people who read only magazine C be c.
Let the number of people who read magazines A and B be d.
Let the number of people who read magazines B and C be e.
Let the number of people who read magazines A and C be f.
Let the number of people who read all the three magazines be g.

Now, we know that,
a + d + f + g = 45% (Total number of people who read magazine A)
b + d + e + g = 55% (Total number of people who read magazine B)
c + e + f + g = 40% (Total number of people who read magazine C)
d = 30% (Number of people who read magazines A and B)
e = 15% (Number of people who read magazines B and C)
f = 25% (Number of people who read magazines A and C)
g = 10% (Number of people who read all the three magazines)

Using these equations, we can find the values of a, b, c and hence, x.

a + d + f + g = 45%
a + 30% + 25% + 10% = 45%
a = 45% - 30% - 25% - 10%
a = -20%

This is not possible as the number of people who read magazine A cannot be negative. This means that there is an error in the given data.

We can try to find the value of x using another method:

Total number of people who read at least one magazine = a + b + c + d + e + f + g
= (a + d + f + g) + (b + d + e + g) + (c + e + f + g) - (d + e + f + g)
= 45% + 55% + 40% - 2d - 2e - 2f - 2g
= 140% - 2(d + e + f + g)
= 140% - 2(30% + 15% + 25% + 10%)
= 140% - 2(80%)
= -20%

This is not possible as the total number of people cannot be negative.

Hence, we can conclude that there is an error in the given data.

Option A, B, C and D are not correct.
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Individuals, groups and leaders who promote human development operate under strong institutional, structural and political constraints that affect policy options. But experience suggests broad principles for shaping an appropriate agenda for human development. One important finding from several decades of human development experience is that focusing exclusively on economic growth is problematic. While we have good knowledge about how to advance health and education, the causes of growth are much less certain and growth is often elusive. Further, an unbalanced emphasis on growth is often associated with negative environmental consequences and adverse distributional effects. The experience of China, with its impressive growth record, reflects these broader concerns and underlines the importance of balanced approaches that emphasize investments in the non-income aspects of human development.Q.In a town, 45% population read magazine A, 55% read magazine B, 40% read magazine C, 30% read magazines A and B, 15% read magazines Band C, 25% read magazines A and C; and 10% read all the three magazines. What percentage do not read any magazine?a)10% b)15% c)20% d)25%Correct answer is option 'C'. Can you explain this answer?
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Individuals, groups and leaders who promote human development operate under strong institutional, structural and political constraints that affect policy options. But experience suggests broad principles for shaping an appropriate agenda for human development. One important finding from several decades of human development experience is that focusing exclusively on economic growth is problematic. While we have good knowledge about how to advance health and education, the causes of growth are much less certain and growth is often elusive. Further, an unbalanced emphasis on growth is often associated with negative environmental consequences and adverse distributional effects. The experience of China, with its impressive growth record, reflects these broader concerns and underlines the importance of balanced approaches that emphasize investments in the non-income aspects of human development.Q.In a town, 45% population read magazine A, 55% read magazine B, 40% read magazine C, 30% read magazines A and B, 15% read magazines Band C, 25% read magazines A and C; and 10% read all the three magazines. What percentage do not read any magazine?a)10% b)15% c)20% d)25%Correct answer is option 'C'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Individuals, groups and leaders who promote human development operate under strong institutional, structural and political constraints that affect policy options. But experience suggests broad principles for shaping an appropriate agenda for human development. One important finding from several decades of human development experience is that focusing exclusively on economic growth is problematic. While we have good knowledge about how to advance health and education, the causes of growth are much less certain and growth is often elusive. Further, an unbalanced emphasis on growth is often associated with negative environmental consequences and adverse distributional effects. The experience of China, with its impressive growth record, reflects these broader concerns and underlines the importance of balanced approaches that emphasize investments in the non-income aspects of human development.Q.In a town, 45% population read magazine A, 55% read magazine B, 40% read magazine C, 30% read magazines A and B, 15% read magazines Band C, 25% read magazines A and C; and 10% read all the three magazines. What percentage do not read any magazine?a)10% b)15% c)20% d)25%Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Individuals, groups and leaders who promote human development operate under strong institutional, structural and political constraints that affect policy options. But experience suggests broad principles for shaping an appropriate agenda for human development. One important finding from several decades of human development experience is that focusing exclusively on economic growth is problematic. While we have good knowledge about how to advance health and education, the causes of growth are much less certain and growth is often elusive. Further, an unbalanced emphasis on growth is often associated with negative environmental consequences and adverse distributional effects. The experience of China, with its impressive growth record, reflects these broader concerns and underlines the importance of balanced approaches that emphasize investments in the non-income aspects of human development.Q.In a town, 45% population read magazine A, 55% read magazine B, 40% read magazine C, 30% read magazines A and B, 15% read magazines Band C, 25% read magazines A and C; and 10% read all the three magazines. What percentage do not read any magazine?a)10% b)15% c)20% d)25%Correct answer is option 'C'. Can you explain this answer?.
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