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Question

The following table shows the percentage of students (Boys and Girls) who have successfully completed their respective academic programmes, namely, B.A., B.Sc., B.Com., B.B.A., B.C.A. and B.Tech. in a college. Based on the data in the table, answer the questions :

Programme wise Percentage of Successful Students

Programme

Boys

Girls

 B.A.

80%

60%

B.Sc.

80%

70%

B.Com.

40%

60%

B.B.A.

90%

60%

B.C.A.70%80%
B.Tech.70%60%

If the total number of girls in each academic programme is 90, then what is the total number of girls who have successfully completed the academic programmes from the college?

The correct answer is

351

Calculating Total Successful Girls in Academic Programmes

The question asks us to find the total number of girls who successfully completed their academic programmes based on the provided table and the information that the total number of girls in each programme is 90.

The table shows the percentage of girls who were successful in each programme:

  • B.A.: 60%
  • B.Sc.: 70%
  • B.Com.: 60%
  • B.B.A.: 60%
  • B.C.A.: 80%
  • B.Tech.: 60%

We are given that the total number of girls in each of these academic programmes is 90. To find the number of successful girls in each programme, we need to calculate the specified percentage of 90.

Step-by-Step Calculation of Successful Girls per Programme

We will calculate the number of successful girls for each academic programme:

  • For B.A.: 60% of 90 = $\frac{60}{100} \times 90 = 0.6 \times 90 = 54$ girls
  • For B.Sc.: 70% of 90 = $\frac{70}{100} \times 90 = 0.7 \times 90 = 63$ girls
  • For B.Com.: 60% of 90 = $\frac{60}{100} \times 90 = 0.6 \times 90 = 54$ girls
  • For B.B.A.: 60% of 90 = $\frac{60}{100} \times 90 = 0.6 \times 90 = 54$ girls
  • For B.C.A.: 80% of 90 = $\frac{80}{100} \times 90 = 0.8 \times 90 = 72$ girls
  • For B.Tech.: 60% of 90 = $\frac{60}{100} \times 90 = 0.6 \times 90 = 54$ girls

Calculating the Total Number of Successful Girls

Now, we sum the number of successful girls from each programme to find the total number of girls who successfully completed their academic programmes from the college.

Total successful girls = (Successful B.A. girls) + (Successful B.Sc. girls) + (Successful B.Com. girls) + (Successful B.B.A. girls) + (Successful B.C.A. girls) + (Successful B.Tech. girls)

Total successful girls = $54 + 63 + 54 + 54 + 72 + 54$

Let's add these numbers:

$54 + 63 = 117$

$117 + 54 = 171$

$171 + 54 = 225$

$225 + 72 = 297$

$297 + 54 = 351$

So, the total number of girls who have successfully completed the academic programmes from the college is 351.

Programme Percentage of Successful Girls Total Girls per Programme Number of Successful Girls
B.A. 60% 90 $0.60 \times 90 = 54$
B.Sc. 70% 90 $0.70 \times 90 = 63$
B.Com. 60% 90 $0.60 \times 90 = 54$
B.B.A. 60% 90 $0.60 \times 90 = 54$
B.C.A. 80% 90 $0.80 \times 90 = 72$
B.Tech. 60% 90 $0.60 \times 90 = 54$

Total successful girls = $54 + 63 + 54 + 54 + 72 + 54 = 351$.

Conclusion

Based on the data and calculations, the total number of girls who have successfully completed their academic programmes from the college is 351.

Revision Table: Successful Students Calculation

Concept Description Key Point for this Problem
Percentage A fraction of 100, used here to show the success rate. Convert percentage to decimal or fraction for calculation.
Data Interpretation Extracting relevant information from tables or charts. Identify success percentage for girls for each programme.
Calculation Performing mathematical operations to find the result. Multiply total girls per programme by the success percentage for each programme.
Summation Adding up individual values to find a total. Add the number of successful girls from all programmes.

Additional Information: Analyzing Academic Data

Analyzing data presented in tables, like the one in this question, is a common task in various fields, including education and statistics. Such tables provide a concise way to summarize information and perform comparisons or calculations.

  • Understanding Percentages: A percentage like 60% successful girls in B.A. means that for every 100 girls in the B.A. programme, 60 were successful. If the total number of girls is different from 100, we scale the number proportionally. In this case, if there are 90 girls, 60% of 90 is calculated.
  • Importance of Identifying Relevant Data: The table contained data for both boys and girls, but the question specifically asked about girls. It was crucial to only use the percentages for girls.
  • Consistency in Data: The problem stated that the total number of girls in *each* programme is 90. This simplified the calculation as the base number for the percentage calculation was the same for all programmes. If the total number of girls varied per programme, we would have to use a different base number for each calculation.
  • Applications: This type of analysis is useful for colleges to understand performance across different programmes and demographics (boys vs. girls), identify areas needing improvement, or compare success rates.
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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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