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Question

Consider the following for the next three (03) items that follow :
The following Pie-Chart-I shows the people migrating to Delhi from different Indian States (P, Q and R are three different States and S is the combined group of other States) and Pie-Chart-II indicates the different age groups A, B, C and D of these migrating people for each State.


 

 


 

 

What is the difference between number of people coming from R having age group A and those coming from Q having age group D?
 

This question was previously asked in
CDS 2 2024 Maths Question Paper (01-Sep-2024)
The correct answer is
8,000

To find the difference between the number of people coming from State R with age group A and those coming from State Q with age group D, we need to analyze the information given in the pie charts. Assume that you have the numerical data corresponding to the percentages shown in the pie charts. Let’s proceed with the steps needed to solve this.

  1. First, identify the total number of people migrating to Delhi from each state as presented in Pie-Chart-I. Assume those values in percentage (if the total Migrants are 'X', states P, Q, R, and S have their respective percentages of 'X').
  2. Using Pie-Chart-II, determine the percentage of people corresponding to age group A from state R and age group D from state Q.
  3. Calculate the number of individuals in each group:
    • Individuals from R in age group A: ( \text{Percentage of R} \times \text{Percentage of A within R} \times X ) \div 10000
    • Individuals from Q in age group D: ( \text{Percentage of Q} \times \text{Percentage of D within Q} \times X ) \div 10000
  4. Compute the difference between these two calculated numbers to find the answer. Subtract the number of individuals from Q in age group D from the number of individuals from R in age group A.
  5. Given that the correct answer is 8,000, this implies that the difference calculated from the pie charts' data equals 8,000.

This step-by-step approach ensures that you interpret and use the pie chart data correctly to solve questions related to distributions and differences.

By following these steps, you can solve any similar question involving calculating differences based on pie chart data.

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Similar Questions

  1. If the people coming from a particular State belonging to S are 15% and 24,000 in number, then what is the total number of migrating people belonging to the age group B?
     

  2. The total number of people migrating to Delhi is 8 lacs. What is the maximum of differences between the number of people coming from different groups P, Q, R and S?
    (a) 1.6 lac
    (b) 1.8 lac
    (c) 2.4 lac
    (d) 2.6 lac

Important Questions from Mixed Data Interpretation

  1. Consider the following data: 

     

    What is the value of x in the above table?

  2. Seeta and Geeta go for a swim after a gap of every 2 days and every 3 days respectively. If on 1st January both of them went for a swim together, when will they go together next?

  3. X, Y and Z are three contestants in a race of 1000 m. Assume that all run with different uniform speeds. X gives Y a start of 40 m and X gives Z a start of 64 m. If Y and Z were to compete in a race of 1000 m, how many metres start will Y give to Z?

  4. If x is greater than or equal to 25 and y is less than or equal to 40, then which one of the following is always correct?

  5. Ena was born 4 years after her parents' marriage. Her mother is three years younger than her father and 24 years older than Ena, who is 13 years old. At what age did Ena's father get married

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