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Question

The following table shows the percentage (%) break-up of the employees working in six different universities A, B, C, D, E and F. The total number of employees in these six Universities is also given in the table. Based on the data in the table, answer the questions:

University- Wise Distribution of Employees.

UniversityTotal Number of EmployeesPercentage
MalesFemalesTransgenders
(A)240050%37.5%12.5%
(B)437540%36%24%
(C)262524%56%20%
(D)600035%25%40%
(E)425038%30%32%
(F)136045%40%15%

The number of females working in university F is ________ % more than the number of transgenders working in the University A

The correct answer is \(81 \frac{1}{3}\)

Understanding the University Employee Data

The question requires us to calculate the percentage by which the number of female employees in University F is greater than the number of transgender employees in University A. We will use the data provided in the table showing the distribution of employees across different universities and categories.

Analyzing the Specific University Data

From the given table, we extract the relevant information for Universities A and F:

  • University A:
    • Total Number of Employees: 2400
    • Percentage of Transgenders: 12.5%
  • University F:
    • Total Number of Employees: 1360
    • Percentage of Females: 40%

Calculating the Number of Employees in Each Category

To find the exact number of employees for each required category, we multiply the total number of employees in the respective university by the given percentage and divide by 100.

Number of Transgenders in University A

Total employees in University A = 2400

Percentage of Transgenders in University A = 12.5%

Number of Transgenders in University A $= 2400 \times \frac{12.5}{100}$

We know that $12.5\% = \frac{1}{8}$ as a fraction. So,

Number of Transgenders in University A $= 2400 \times \frac{1}{8} = 300$

Thus, there are 300 transgender employees in University A.

Number of Females in University F

Total employees in University F = 1360

Percentage of Females in University F = 40%

Number of Females in University F $= 1360 \times \frac{40}{100}$

Number of Females in University F $= 1360 \times 0.4 = 544$

Thus, there are 544 female employees in University F.

Calculating the Percentage More

We need to find the percentage by which the number of females in University F (544) is more than the number of transgenders in University A (300). The base value for this comparison is the number of transgenders in University A (300).

Finding the Difference

The difference between the number of females in University F and the number of transgenders in University A is:

Difference $= \text{Number of Females in F} - \text{Number of Transgenders in A}$

Difference $= 544 - 300 = 244$

Calculating the Percentage Increase

The percentage increase is calculated as:

Percentage More $= \frac{\text{Difference}}{\text{Base Value}} \times 100$

Percentage More $= \frac{244}{300} \times 100$

Percentage More $= \frac{244}{3}$

To express this as a mixed number, we divide 244 by 3:

$244 \div 3 = 81$ with a remainder of $1$.

So, $\frac{244}{3} = 81 \frac{1}{3}$.

The number of females working in university F is $81 \frac{1}{3} \%$ more than the number of transgenders working in the University A.

Step-by-Step Calculation Overview

  1. Calculate the number of transgenders in University A: $2400 \times 12.5\% = 300$.
  2. Calculate the number of females in University F: $1360 \times 40\% = 544$.
  3. Find the difference: $544 - 300 = 244$.
  4. Calculate the percentage increase relative to the number of transgenders in A: $\frac{244}{300} \times 100 = \frac{244}{3}$.
  5. Convert the fraction to a mixed number: $\frac{244}{3} = 81 \frac{1}{3} \%$.
University Category Total Employees Percentage Calculated Number
A Transgenders 2400 12.5% $2400 \times \frac{12.5}{100} = 300$
F Females 1360 40% $1360 \times \frac{40}{100} = 544$

Revision Table: Key Calculations and Terms

Term/Calculation Description Formula/Concept
Finding Percentage of a Number Multiplying the total by the percentage and dividing by 100. Part = Total $\times \frac{\text{Percentage}}{100}$
Percentage Increase How much a value has increased relative to its original value, expressed as a percentage. Percentage Increase $= \frac{\text{Increase Amount}}{\text{Original Value}} \times 100$
Mixed Number A number combining a whole number and a fraction. Example: $81 \frac{1}{3}$

Additional Information: Working with Percentages

Understanding how to quickly work with common percentages is helpful for efficiency. For instance, $12.5\%$ is equivalent to $1/8$. This makes calculations like $2400 \times 12.5\%$ simpler as $2400 \times 1/8$.

When calculating a percentage increase from value B to value A (where A > B), the formula is always based on the original value B:

Percentage Increase $= \frac{\text{New Value} - \text{Original Value}}{\text{Original Value}} \times 100$

In this problem, the 'Original Value' is the number of transgenders in University A, and the 'New Value' is the number of females in University F for comparison purposes.

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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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