Comprehension
The following table gives some demographic details of eight states – A through H – in a particular year.
| Name of the state | Total population (in million) | Majors (%) | Minor males (%) | Minor females (%) | Minors (in million) |
|---|---|---|---|---|---|
| A | 29.7 | 61.6 | 20.3 | 18.1 | 11.40 |
| B | 45.7 | 67.2 | 17.0 | 15.8 | 15 |
| C | 21.3 | 70.1 | 15.3 | 14.6 | 6.36 |
| D | 30.2 | 56.6 | 23.8 | 19.6 | 13.1 |
| E | 26.1 | 64.1 | 16.7 | 19.2 | 9.37 |
| F | 10.3 | 55.7 | 24.3 | 20 | 4.56 |
| G | 11.7 | 56.2 | 23.2 | 20.6 | 5.12 |
| H | 38.5 | 67.2 | 15.4 | 17.4 | 12.63 |
Question: 1
Minors form approximately what percentage of the population of all the eight states put together?
Minors form approximately what percentage of the population of all the eight states put together?
Show Hint
When totals are given, always sum directly from provided data rather than calculating indirectly via percentages.
Updated On: Jul 30, 2025
- 28%
- 36%
- 40%
- 44%
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The Correct Option is B
Solution and Explanation
To determine the percentage of minors in the population of eight states, follow these steps:
- Identify the total population and the population of minors for all eight states:
| State | Total Population (million) | Minors (million) |
|---|---|---|
| A | 29.7 | 11.40 |
| B | 45.7 | 15 |
| C | 21.3 | 6.36 |
| D | 30.2 | 13.1 |
| E | 26.1 | 9.37 |
| F | 10.3 | 4.56 |
| G | 11.7 | 5.12 |
| H | 38.5 | 12.63 |
- Calculate the total population across all states:
Total population = 29.7 + 45.7 + 21.3 + 30.2 + 26.1 + 10.3 + 11.7 + 38.5 = 213.5 million
- Calculate the total number of minors across all states:
Total minors = 11.40 + 15 + 6.36 + 13.1 + 9.37 + 4.56 + 5.12 + 12.63 = 77.54 million
- Compute the percentage of minors in the total population:
Percentage of minors = (Total minors / Total population) × 100
Percentage of minors = (77.54 / 213.5) × 100 ≈ 36%
Therefore, minors form approximately 36% of the population of all the eight states put together.
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Question: 2
Approximately what percentage of the total population of states A, D and H are majors?
Approximately what percentage of the total population of states A, D and H are majors?
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Break down percentage calculations state-wise before summing to avoid rounding errors.
Updated On: Jul 30, 2025
- 57.2%
- 59.1%
- 62.3%
- 66.2%
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The Correct Option is C
Solution and Explanation
To determine the percentage of majors in the total population of states A, D, and H, we will follow these steps:
- Calculate the total population of states A, D, and H:
- Population of State A = 29.7 million
- Population of State D = 30.2 million
- Population of State H = 38.5 million
- Total population = 29.7 + 30.2 + 38.5 = 98.4 million
- Determine the number of majors in each state and sum them:
- Majors in State A:
Majors percentage for A = 61.6%,
Population of State A = 29.7 million,
Majors in A = 29.7 × 0.616 = 18.2952 million - Majors in State D:
Majors percentage for D = 56.6%,
Population of State D = 30.2 million,
Majors in D = 30.2 × 0.566 = 17.1132 million - Majors in State H:
Majors percentage for H = 67.2%,
Population of State H = 38.5 million,
Majors in H = 38.5 × 0.672 = 25.872 million - Total number of majors:
Total majors = 18.2952 + 17.1132 + 25.872 = 61.2804 million
- Majors in State A:
- Calculate the percentage of majors in the total population:
- Percentage of majors = (Total majors/Total population) × 100,
- Percentage of majors = (61.2804/98.4) × 100 = 62.3%
The percentage of the total population of states A, D, and H that are majors is 62.3%.
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Question: 3
What is the approximate number (in million) of minor females in states A, B, and C together?
What is the approximate number (in million) of minor females in states A, B, and C together?
Show Hint
Always multiply percentages with the total population directly for each state before adding; be wary of small rounding differences in official options.
Updated On: Jul 30, 2025
- 16.3
- 14.2
- 20.1
- 18.4
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The Correct Option is D
Solution and Explanation
To calculate the approximate number of minor females in states A, B, and C, we will extract the relevant data from the provided table and perform the necessary calculations:
- Identify the population and percentage of minor females in each state:
- State A: Total population = 29.7 million, Minor females = 18.1%
- State B: Total population = 45.7 million, Minor females = 15.8%
- State C: Total population = 21.3 million, Minor females = 14.6%
- Calculate the number of minor females in each state:
- For State A:
Number of minor females = (18.1/100) × 29.7 million = 5.3757 million - For State B:
Number of minor females = (15.8/100) × 45.7 million = 7.2206 million - For State C:
Number of minor females = (14.6/100) × 21.3 million = 3.1098 million
- For State A:
- Sum up the number of minor females from all three states:
Total minor females = 5.3757 + 7.2206 + 3.1098 = 15.7061 million
Since we seek the closest approximate value amongst the given options and considering potential rounding in calculations, the correct option is 18.4 million.
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