11)The following table showing the percentage of the total population of a state in different age groups.

Out of every 50,000 people, find the approximate number of persons below the age of 35.

SSC CGL 2020

Correct Option: B

25,250

Percentage of persons below the age of 35 = 31 + 5.25 + 14.25 = 50.5%;

Approximate number of persons below the age of 35 = \(50000\times{50.5\over100}=25250\)

12)The following table shows the percentage of marks obtained by seven students in six different subjects in an examination.

What are the average marks obtained by all the seven students in Physics? (rounded off to two digits after the decimal)

SSC CGL 2020

Correct Option: C

89.14

Average marks obtained in physics = \({1\over7}[{120\over100}(80+90+70+80+65+85+50)] = 89.14\)

13)The following table shows the age-wise brand ownership of mobile phone handsets.

If a total of 5000 ‘C’ mobile phone sets are sold till date, then how many are more than one year old?

SSC CGL 2020

Correct Option: D

4500

Number of mobile phone sets are sold till date = 5000;

Percentage mobile phone sets are sold more than one year old = 10 + 10 + 70 = 90%;

No. of mobile phones 'C' which are more than one year old = \(= 5000 \times \frac{90}{100} = 4500\)

14)The following table shows the annual profit of a company (in ₹lakh).

The period which has the maximum percentage increase in profit over the previous year is:

SSC CGL 2020

Correct Option: D

2015-2016

Percentage increase in profit in year 2015-2016 = \({690-625\over625}\times100\) = 10.4%;

Percentage increase in profit in year 2016-2017 = \({725-690\over690}\times100\) = 5.07%;

Percentage increase in profit in year 2017-2018 = \({775-725\over725}\times100\) = 6.89%;

Percentage increase in profit in year 2018-2019 = \({815-775\over775}\times100\) = 5.16;

The maximum percentage increase in profit over the previous year is 2015-2016.

15)The following table shows the number of employees working in various departments of an organisation from 2016 to 2019.

In which year were the maximum number of employees working in the organization?

SSC CGL 2020

Correct Option: B

2019

Number of employees working in year 2016 = 500 + 130 + 50 + 145 = 825;

Number of employees working in year 2017 = 940 + 146 + 60 + 140 = 1286;

Number of employees working in year 2018 = 1000 + 160 + 70 + 146 = 1376;

Number of employees working in year 2019 = 1010 + 150 + 75 + 150 = 1385;

In 2019 year were the maximum number of employees working in the organization.

16)From the given table, what is the percentage of students scoring 40 or more. but less than 70 ?

SSC CGL 2020

Correct Option: A

48%

Total number of students = 50; Total number of students scorly less than 70 = 46; Total number of students less than 40 = 22; Therefore, Total number of students more than 40 and less than 70 = 46 - 22 = 24; Percentage = \({24\over50}\times100\) = 48%

17)In a school, the distribution of teachers is as follows:

The total number of teachers of age less than 40 years is:

SSC CGL 2020

Correct Option: A

12

Total number of teachers of age less than 40 years = 2 + 3 + 5 + 2 = 12

18)Study the given table carefully and answer the question that follows.

The percentage of students who have passed with distinction in the year 2012, is :

SSC CGL 2020

Correct Option: A

25%

Percentage of students who have passed with distinction in the year 2012 = \({210\over840}\times 100\) = 25%

19)In a particular year, the number of students enrolled in different streams in a College is as follows:

What is the percentage of the girls enrolled in the college taking all the stream together ?

SSC CGL 2020

Correct Option: D

54%

Percentage of the girl students = \((18+45+42+30)\times100\over32+18+28+45+42+42+13+30\) = 54%

20)During a medical check-up, the heights of 40 students in a class were recorded as shown in the following table.

How many students have a height of 165 cm or more?

SSC CGL 2020

Correct Option: A

15

Number of students whose heights are 165 cm or more than 165 cm = 40 - 25 = 15

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