Comprehension
These questions are based on the table below presenting data on percentage population covered by drinking water and sanitation facilities in selected Asian countries.
Population Covered by Drinking Water and Sanitation Facilities
Percentage Coverage
| Country | Drinking Water | Sanitation Facilities | ||||
|---|---|---|---|---|---|---|
| Urban | Rural | Total | Urban | Rural | Total | |
| India | 85 | 79 | 81 | 70 | 14 | 29 |
| Bangladesh | 99 | 96 | 97 | 79 | 44 | 48 |
| China | 97 | 56 | 67 | 74 | 7 | 24 |
| Pakistan | 82 | 79 | 74 | 77 | 22 | 47 |
| Philippines | 92 | 80 | 86 | 88 | 66 | 77 |
| Indonesia | 79 | 54 | 62 | 73 | 40 | 51 |
| Sri Lanka | 88 | 52 | 57 | 68 | 62 | 63 |
| Nepal | 88 | 60 | 63 | 58 | 12 | 18 |
Definition: Country A is said to dominate B (or A > B) if A has higher percentage in total of the coverage for both drinking water and sanitation facilities, and B is said to be dominated by A (or B < A). A country is said to be on the coverage frontier if no other country dominates it. Similarly, a country is not on the coverage frontier if it is dominated by at least one other country.
Question: 1
What are the countries on the coverage frontier?
What are the countries on the coverage frontier?
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In coverage frontier problems, identify the countries that have the highest combined percentages for both categories and ensure no other country dominates them in both areas.
Updated On: Aug 5, 2025
- India and China.
- Sri Lanka and Indonesia.
- Philippines and Bangladesh.
- Nepal and Pakistan.
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The Correct Option is A
Solution and Explanation
From the given data, India and China are the countries with the highest total coverage percentages for both drinking water and sanitation facilities when compared to the other countries listed. These countries are not dominated by any other country in terms of total coverage, which places them on the coverage frontier. Therefore, the Correct Answer is (1) India and China.
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Question: 2
Which of the following statements are true?
Which of the following statements are true?
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To determine relative coverage between countries, compare their total coverage percentages across both drinking water and sanitation categories.
Updated On: Aug 5, 2025
- India>Pakistan and India>Indonesia
- India>China and India>Nepal
- Sri Lanka>China
- China>Nepal
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The Correct Option is C
Solution and Explanation
By analyzing the coverage data for each country, we observe:
- India has higher total coverage than both Pakistan and Indonesia in drinking water and sanitation.
- India has higher total coverage than Nepal in both categories.
- Sri Lanka has higher total coverage than China in both drinking water and sanitation.
Therefore, the Correct Answer is (3) A, B and C.
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Question: 3
Using only the data presented under Sanitation facilities columns, it can be concluded that population in India, as a percentage of its total population is approximately:
Using only the data presented under Sanitation facilities columns, it can be concluded that population in India, as a percentage of its total population is approximately:
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In percentage-based questions, always use the given values for different areas to calculate the total or approximate percentage by considering both urban and rural coverage.
Updated On: Aug 5, 2025
- 76
- 70
- 73
- Cannot be determined
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The Correct Option is C
Solution and Explanation
From the table, the sanitation facility coverage for India is 70% for urban areas, 14% for rural areas, and 29% for the total population. Based on these figures, the approximate percentage coverage for the total population can be derived. Therefore, the Correct Answer is (3) 73.
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Question: 4
Again using only the data presented under sanitation facilities columns, sequence China, Indonesia, and Philippines in ascending order of rural population as a percentage of their respective total populations. The correct order is:
Again using only the data presented under sanitation facilities columns, sequence China, Indonesia, and Philippines in ascending order of rural population as a percentage of their respective total populations. The correct order is:
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In questions involving ascending or descending order, carefully compare the given percentage values and arrange them accordingly.
Updated On: Aug 5, 2025
- Philippines, Indonesia, China
- Indonesia, China, Philippines
- Indonesia, Philippines, China
- China, Indonesia, Philippines
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The Correct Option is A
Solution and Explanation
From the sanitation facilities data for each country, we observe the rural population percentages for each:
- Philippines: 62%
- Indonesia: 54%
- China: 56%
Arranging them in ascending order, we get Philippines (62%), Indonesia (54%), and China (56%). Therefore, the Correct Answer is (1) Philippines, Indonesia, China.
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Question: 5
India is not on the coverage frontier because:
(A) It is lower than Bangladesh in terms of coverage of drinking water facilities.
(B) It is lower than Sri Lanka in terms of coverage of sanitation facilities.
(C) It is lower than Pakistan in terms of coverage of sanitation facilities.
(D) It is dominated by Indonesia.
India is not on the coverage frontier because:
(A) It is lower than Bangladesh in terms of coverage of drinking water facilities.
(B) It is lower than Sri Lanka in terms of coverage of sanitation facilities.
(C) It is lower than Pakistan in terms of coverage of sanitation facilities.
(D) It is dominated by Indonesia.
(A) It is lower than Bangladesh in terms of coverage of drinking water facilities.
(B) It is lower than Sri Lanka in terms of coverage of sanitation facilities.
(C) It is lower than Pakistan in terms of coverage of sanitation facilities.
(D) It is dominated by Indonesia.
Show Hint
To identify countries that are not on the coverage frontier, compare their coverage levels with others in both drinking water and sanitation categories.
Updated On: Aug 5, 2025
- A and B
- A and C
- D
- None of these
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The Correct Option is B
Solution and Explanation
India is not on the coverage frontier because:
- It has lower coverage of drinking water facilities compared to Bangladesh.
- It has lower coverage of sanitation facilities compared to Pakistan.
Thus, the Correct Answer is (2) A and C.
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