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Question

The following table shows the number of newspapers printed as shown inside the brackets and the number of newspapers distributed in different cities on a particular date. Answer questions 1 to 5:

Newspaper → 

City ↓ 

Newspaper A

(2000)

Newspaper

B

(2000)

Newspaper

C

(1000)

Newspaper

D

(1000)

Delhi1000750320250
Lucknow500250250175
Varanasi200150165155
Jaipur200350135160

What is the percentage of distribution of newspaper C in all the cities as compared to the total number of newspapers distributed?

The correct answer is

17.36%

Let's analyze the provided table which shows the number of newspapers printed and distributed in different cities. We need to find the percentage of the total distribution of newspaper C compared to the total distribution of all newspapers across all the listed cities.

Newspaper →
City ↓
Newspaper A
(2000)
Newspaper B
(2000)
Newspaper C
(1000)
Newspaper D
(1000)
Delhi 1000 750 320 250
Lucknow 500 250 250 175
Varanasi 200 150 165 155
Jaipur 200 350 135 160

Calculating Total Newspaper Distribution

First, let's find the total number of newspaper C copies distributed across all four cities: Delhi, Lucknow, Varanasi, and Jaipur.

  • Distribution of Newspaper C in Delhi = 320
  • Distribution of Newspaper C in Lucknow = 250
  • Distribution of Newspaper C in Varanasi = 165
  • Distribution of Newspaper C in Jaipur = 135

Total distribution of Newspaper C = \(320 + 250 + 165 + 135 = 870\)

Next, let's find the total number of all newspapers distributed across all four cities. We sum the distribution of Newspaper A, B, C, and D in each city and then sum the city totals.

  • Total distribution in Delhi = \(1000 + 750 + 320 + 250 = 2320\)
  • Total distribution in Lucknow = \(500 + 250 + 250 + 175 = 1175\)
  • Total distribution in Varanasi = \(200 + 150 + 165 + 155 = 670\)
  • Total distribution in Jaipur = \(200 + 350 + 135 + 160 = 845\)

Total distribution of all newspapers across all cities = \(2320 + 1175 + 670 + 845 = 5010\)

Calculating Percentage of Newspaper C Distribution

Now, we can calculate the percentage of newspaper C's distribution compared to the total distribution of all newspapers. The formula for percentage is:

\(\text{Percentage} = \left( \frac{\text{Part}}{\text{Whole}} \right) \times 100\)

In this case, the "Part" is the total distribution of Newspaper C, and the "Whole" is the total distribution of all newspapers.

\(\text{Percentage of Newspaper C distribution} = \left( \frac{\text{Total Newspaper C Distribution}}{\text{Total Distribution of all Newspapers}} \right) \times 100\)

\(\text{Percentage} = \left( \frac{870}{5010} \right) \times 100\)

Let's perform the calculation:

\(\frac{870}{5010} \approx 0.17365269\)

\(0.17365269 \times 100 \approx 17.365269\%\)

Rounding this to two decimal places, we get approximately 17.37%. However, looking at the options provided, 17.36% is available, which suggests the value might be rounded down or truncated to two decimal places. The percentage of distribution of newspaper C is approximately 17.36% of the total newspaper distribution.

Revision Table: Newspaper Distribution Calculation

Item Calculation Result
Total Newspaper C Distribution 320 + 250 + 165 + 135 870
Total Distribution in Delhi 1000 + 750 + 320 + 250 2320
Total Distribution in Lucknow 500 + 250 + 250 + 175 1175
Total Distribution in Varanasi 200 + 150 + 165 + 155 670
Total Distribution in Jaipur 200 + 350 + 135 + 160 845
Total Distribution (All Newspapers, All Cities) 2320 + 1175 + 670 + 845 5010
Percentage of Newspaper C Distribution (870 / 5010) * 100 ~17.36%

Additional Information on Data Interpretation

Data interpretation questions like this require careful reading of the table and the question. It is crucial to distinguish between the number of newspapers printed (given in brackets in the header) and the number distributed (the values in the table body). This specific question focuses solely on the distributed numbers.

Key aspects of solving such problems include:

  • Identifying exactly what quantities need to be summed or compared.
  • Performing accurate addition and division.
  • Understanding how to calculate percentages correctly.
  • Paying attention to the required level of precision for the final answer (e.g., number of decimal places).

Practicing with different types of tables and graphs helps improve data interpretation skills for exams.

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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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