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Question

The following table shows the percentage (%) distribution of number of sportspersons and number of male sportspersons participating in Asian Games from six different countries A-F. Total number of sportspersons who participated in the games is 1100 and the ratio of Male to Female among them is 15 ∶ 7. Based on the data in the table, answer the questions.

Country-wise Distribution of Sportspersons

Country

Distribution (%)

Sports persons

Male Sportspersons

A

21%

20%

B

25%

22%

C

15%

14%

D

12%

12%

E

9%

10%

F18%22%

What is the ratio of the number of participants from Country D to the number of female participants from Country E?

The correct answer is

11 ∶ 2

Asian Games Sportspersons Data Analysis

This problem requires us to analyze the distribution of sportspersons from different countries participating in the Asian Games based on the provided table and total numbers.

Understanding the Given Data

  • Total number of sportspersons: 1100
  • Ratio of Male to Female sportspersons overall: 15 ∶ 7
  • Table showing the percentage distribution of total sportspersons and male sportspersons for each country (A-F).

We need to find the ratio of the number of participants from Country D to the number of female participants from Country E.

Step 1: Calculate Total Male and Female Sportspersons

The total number of sportspersons is 1100. The ratio of Male to Female is 15 ∶ 7. The total parts in the ratio are \(15 + 7 = 22\).

  • Total Male Sportspersons = \(\frac{15}{22} \times 1100\)
  • Total Male Sportspersons = \(15 \times 50 = 750\)
  • Total Female Sportspersons = \(\frac{7}{22} \times 1100\)
  • Total Female Sportspersons = \(7 \times 50 = 350\)

So, there are 750 male sportspersons and 350 female sportspersons in total.

Step 2: Calculate Participants from Country D

According to the table, Country D accounts for 12% of the Total Sportspersons.

  • Number of participants from Country D = 12% of Total Sportspersons
  • Number of participants from Country D = \(\frac{12}{100} \times 1100\)
  • Number of participants from Country D = \(12 \times 11 = 132\)

So, there are 132 participants from Country D.

Step 3: Calculate Participants from Country E

According to the table, Country E accounts for 9% of the Total Sportspersons.

  • Total participants from Country E = 9% of Total Sportspersons
  • Total participants from Country E = \(\frac{9}{100} \times 1100\)
  • Total participants from Country E = \(9 \times 11 = 99\)

So, there are 99 total participants from Country E.

Step 4: Calculate Male Participants from Country E

According to the table, Country E accounts for 10% of the Total Male Sportspersons.

  • Number of male participants from Country E = 10% of Total Male Sportspersons
  • Number of male participants from Country E = \(\frac{10}{100} \times 750\)
  • Number of male participants from Country E = \(\frac{1}{10} \times 750 = 75\)

So, there are 75 male participants from Country E.

Step 5: Calculate Female Participants from Country E

The number of female participants from Country E is the difference between the total participants from Country E and the male participants from Country E.

  • Number of female participants from Country E = (Total participants from Country E) - (Male participants from Country E)
  • Number of female participants from Country E = 99 - 75 = 24

So, there are 24 female participants from Country E.

Step 6: Calculate the Required Ratio

We need to find the ratio of the number of participants from Country D to the number of female participants from Country E.

  • Ratio = (Participants from Country D) : (Female participants from Country E)
  • Ratio = 132 : 24

To simplify the ratio, we find the greatest common divisor (GCD) of 132 and 24. Both numbers are divisible by 12.

  • \(132 \div 12 = 11\)
  • \(24 \div 12 = 2\)

The simplified ratio is 11 ∶ 2.

Summary of Calculations
Description Calculation Result
Total Male Sportspersons \(\frac{15}{22} \times 1100\) 750
Total Female Sportspersons \(\frac{7}{22} \times 1100\) 350
Participants from Country D 12% of 1100 132
Total Participants from Country E 9% of 1100 99
Male Participants from Country E 10% of 750 75
Female Participants from Country E 99 - 75 24
Ratio (Country D : Female Country E) 132 : 24 11 : 2

The ratio of the number of participants from Country D to the number of female participants from Country E is 11 ∶ 2.

Revision Table: Asian Games Data Ratios

Key Concepts Revisited
Concept Explanation
Percentage Distribution How a total quantity is divided into parts expressed as percentages.
Ratio A comparison of two quantities. Can be simplified by dividing both parts by their GCD.
Calculating Parts from Ratio If a total is divided in ratio A:B, the first part is \(\frac{A}{A+B} \times \text{Total}\) and the second is \(\frac{B}{A+B} \times \text{Total}\).

Additional Information: Data Interpretation Skills

Data interpretation questions like this one test your ability to extract information from tables and charts and perform calculations based on given conditions. Key skills include:

  • Carefully reading the question and understanding what is being asked.
  • Identifying the total values and how percentages/ratios relate to these totals.
  • Performing accurate percentage and ratio calculations.
  • Breaking down the problem into smaller, manageable steps.
  • Ensuring units or categories are consistent (e.g., distinguishing between percentage of total sportspersons and percentage of male sportspersons).

Practice with different types of data representation (tables, bar graphs, pie charts) is crucial for mastering data interpretation.

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Important Questions from Tabulation

  1. The table shows District-wise data of a number of primary school teachers posted in schools of a city.

    Study the table and answer the question:

    District

    Male teachers

    Female teachers

    East

    1650

    2375

    North

    1075

    2651

    West

    1280

    1520

    South

    1170

    1085

    Central

    690

    859


    What is the difference between the total number of male teachers in the districts East, North, West taken together and the total number of female teachers in the districts East and South?
  2. Table shows income (in Rs. ) received by 4 employees of a company during the month of December 2020 and all their income sources.

    Source

    Amit

    Suresh

    Nitin

    Varun

    Salary

    35000

    38500

    29000

    42000

    Arrears

    6000

    6300

    5000

    7500

    Bonus

    1000

    1100

    1000

    1240

    Overtime

    1800

    1950

    1400

    1500


    What is the ratio of salary of Varun to his income other than salary?
  3. Study the table and answer the question:

    Income (Rs.)

    No. of persons

    Less than 200

    12

    Less than 250

    26

    Less than 300

    34

    Less than 350

    40

    Less than 400

    50


    What is the percentage of persons earning Rs. 250 or more?
  4. The following table shows the annual profit of a company (in Rs. lakh).

    2014-2015

    2015-2016

    2016-0217

    2017-2018

    2018-2019

    625

    690

    725

    775

    815

    The period which has the maximum percentage increase in profit over the previous year is:

  5. The table given below shows the number of persons participating in a survey from 6 different states.

    States Persons 
    S1100
    S2200 
    S3400 
    S4500 
    S5600 
    S6800

    What is the ratio of number of person participating in a survey from state S3 to the number of person participating in a survey from state S4?

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