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Question

The following table presents the details about the number of students enrolled in three different academic programmes namely. B.A., B.C.A. and B.B.A. in five different colleges (A-E) during the year 2020. Based on the data in the table, answer the questions:

College-wise enrollment of students

College

Academic programme

B.A.

B.C.A. 

B.B.A.

A

275 

350 

425 

B

300 

325 

475 

C

325 

300 

325 

D

450 

375 

425 

E

325 

425 

225 

Number of students studying in B.B.A. in college C forms approximately what percent of the total number of students studying in B.B.A. in all the five colleges together?

The correct answer is 17%

Understanding the Student Enrollment Data

The table provided gives us information about the number of students enrolled in three different academic programmes: B.A., B.C.A., and B.B.A., across five different colleges, labeled A through E, for the year 2020.

We need to use this data to answer the question regarding the percentage of B.B.A. students in college C relative to the total number of B.B.A. students across all five colleges.

Analyzing the B.B.A. Enrollment Data

First, let's extract the number of students enrolled in the B.B.A. programme from each college:

College B.B.A. Students
A 425
B 475
C 325
D 425
E 225

Calculating Total B.B.A. Enrollment

To find the total number of students studying B.B.A. in all five colleges together, we sum the number of B.B.A. students from each college:

Total B.B.A. Students = Students in A + Students in B + Students in C + Students in D + Students in E

Total B.B.A. Students $= 425 + 475 + 325 + 425 + 225$

Total B.B.A. Students $= 1875$

So, there are a total of 1875 students studying B.B.A. across all five colleges.

Calculating the Percentage of B.B.A. Students in College C

The question asks for the percentage of students studying B.B.A. in college C out of the total number of students studying in B.B.A. in all the five colleges together.

Number of B.B.A. students in college C = 325

Total number of B.B.A. students in all colleges = 1875

The percentage is calculated using the formula:

$\text{Percentage} = \left( \frac{\text{Number of students in College C}}{\text{Total number of students in all colleges}} \right) \times 100\%$

Substituting the values:

$\text{Percentage} = \left( \frac{325}{1875} \right) \times 100\%$

Let's perform the division:

$\frac{325}{1875} = \frac{13 \times 25}{75 \times 25} = \frac{13}{75}$

Now, convert the fraction to a percentage:

$\text{Percentage} = \frac{13}{75} \times 100\%$

$\text{Percentage} = \frac{1300}{75}\%$

$\text{Percentage} = \frac{52 \times 25}{3 \times 25}\%$

$\text{Percentage} = \frac{52}{3}\%$

$\text{Percentage} \approx 17.33\%$

The question asks for approximately what percent. Comparing 17.33% with the given options, the closest value is 17%.

Conclusion

The number of students studying in B.B.A. in college C forms approximately 17% of the total number of students studying in B.B.A. in all five colleges together.

Revision Table: Key Calculations for B.B.A. Enrollment Analysis

Calculation Value Notes
B.B.A. Students in College C 325 Directly from the table
Total B.B.A. Students (A-E) $425 + 475 + 325 + 425 + 225 = 1875$ Summing B.B.A. students from all colleges
Percentage of C in Total B.B.A. $(\frac{325}{1875}) \times 100\% \approx 17.33\%$ Ratio of College C B.B.A. to Total B.B.A., converted to percentage
Approximate Percentage 17% Closest option to the calculated value

Additional Information: Data Interpretation and Percentage Calculations

Data interpretation questions often require extracting specific information from tables, charts, or graphs and then performing calculations based on that data. Percentage calculations are very common in these types of questions.

  • What is a Percentage? A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign "%".
  • How to Calculate Percentage? To find what percentage a part is of a whole, you use the formula:

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

  • In this problem, the 'Part' is the number of B.B.A. students in college C (325), and the 'Whole' is the total number of B.B.A. students across all colleges (1875).
  • Data interpretation skills are crucial for competitive exams as they test your ability to read, understand, and analyze information presented in various formats quickly and accurately. Practice with different types of data representations like tables, bar graphs, pie charts, and line graphs is beneficial.
  • Approximation is sometimes required, as indicated by the word "approximately" in the question. This means you should find the option closest to your calculated value.
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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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