Data Interpretation Questions for Competitive Exams

Data Interpretation: Data Interpretation Questions are usually asked in  all competitive exams like SSC, SBI, IBPS, RBI, LIC, RRB, AAI, DRDO, ISRO, NTR, FSSAI, CWC, LIC, SSC CGL, Railways and other state government exams. 
Data Interpretation questions require clear observation of charts like pie chart, bar chart, radar chart, line chart, table chart. On this page, we are providing all varieties of Data Interpretation Questions along with previous year Data Interpretation Questions.
Data Interpretation Questions are usually based on basic knowledge of arithmetic & fast calculation which includes good command on multiplication, division, addition, subtraction along with Vedic Math. 
Data Interpretation Questions is a very important section of Quantitative Aptitude. Most of the questions come from Data Interpretation in Quantitative Aptitude section.

Set-51

Study the pie charts carefully and answer the following questions.

Percentage wise distribution of females in different sectors

1. What is the total no. of males in sectors 21, 25 and 5 together?

Ans:2
Required no. of males
= (34+9+20) * 1500 – (26+12+38) * 700
= 94500 ─ 53200
= 41300

 

2. Total no. of females in sectors 32 and 28 are approximately what percent of total no. of males in these sectors together?

Ans:1
Total no. of females in required sectors
= (11+ 13) *700
= 16800
Total no. of males in these sectors together
= (30+7)*1500 ─ 16800
= 38700
Required percentage = 16800/38700 * 100 ≃ 43 %

 

3. No. of males in sector 28 is approximately what percent of the no. of total persons in sector 25?

Ans:4
Required percent = (30 * 1500 – 13 * 700)/(9 * 1500) * 100
= 35900/13500 * 100
≃ 266%

 

4. What is the ratio of no. of males in sector 32 to the no. of females in sector 25?

Ans:3
Required ratio = (7 * 1500 – 11 * 700)/(12 * 700)
= (10500-7700)/8400
= 2800: 8400
= 1/3

 

5. If 70% persons are eligible for voting from sectors 5 and 21 together and 75% females are eligible for voting from these two sectors together then find the no. of males who are eligible for voting from these two sectors together.

Ans:1
No. of males who are eligible for voting
= (20+34) * 1500 * 70/100 – (38+26) * 700 * 75/100
= 56700 ─ 33600
= 23100

 

Set-52
Study the following information carefully and answer the questions given below:
In an organization, there are 8000 employees. Respective ratio of male and female is 3:2. All the employees are distributed in four different department viz. Sales, HR, IT and Marketing. 30% of the males work in Sales department. 25% of the females work in HR department. Respective ratio of number of males and females work in HR department is 5:2. 10% of the males work in IT department and rest of the males work in Marketing department. Number of females work in IT department is 10% more than the number of males work in IT department. 20% of the females work in Sales department and rest of the females work in Marketing department.
6. Find the total number of employees in Marketing department.

Ans:3
Total number of employees = 8000
Number of male employees = 8000 * 3/5 = 4800
Number of female employees = 8000 * 2/5 = 3200
No. of male employees in sales department = 4800 * 30/100 = 1440
No of females in HR department = 25/100 * 3200 = 800
No of males in HR department =800/2 * 5 =2000
No of males in IT department = 10/100 * 4800 = 480
Number of males in Marketing department = 4800 – (1440+2000+480)
= 880
No of females in IT department = 110/100 * 480 = 528
No of females in sales department = 20/100 * 3200 = 640
No of females in Marketing department =3200 – (800+528+640)
= 1232

Total number of employees in marketing department = 880 + 1232 = 2112

 

7. Find the respective ratio of number of males in IT and number of females in HR?

Ans:1
Total number of employees = 8000
Number of male employees = 8000 * 3/5 = 4800
Number of female employees = 8000 * 2/5 = 3200
No. of male employees in sales department = 4800 * 30/100 = 1440
No of females in HR department = 25/100 * 3200 = 800
No of males in HR department =800/2 * 5 =2000
No of males in IT department = 10/100 * 4800 = 480
Number of males in Marketing department = 4800 – (1440+2000+480)
= 880
No of females in IT department = 110/100 * 480 = 528
No of females in sales department = 20/100 * 3200 = 640
No of females in Marketing department =3200 – (800+528+640)
= 1232

Required ratio = 480: 800
= 3:5

8. Number of males in HR is what percent of number of females in Marketing?

Ans:2
Total number of employees = 8000
Number of male employees = 8000 * 3/5 = 4800
Number of female employees = 8000 * 2/5 = 3200
No. of male employees in sales department = 4800 * 30/100 = 1440
No of females in HR department = 25/100 * 3200 = 800
No of males in HR department =800/2 * 5 =2000
No of males in IT department = 10/100 * 4800 = 480
Number of males in Marketing department = 4800 – (1440+2000+480)
= 880
No of females in IT department = 110/100 * 480 = 528
No of females in sales department = 20/100 * 3200 = 640
No of females in Marketing department =3200 – (800+528+640)
= 1232

Required percentage = 2000/1232 x 100
= 162.33%

 

9. Find the difference between number of employees in Sales and IT?

Ans:3
Total number of employees = 8000
Number of male employees = 8000 * 3/5 = 4800
Number of female employees = 8000 * 2/5 = 3200
No. of male employees in sales department = 4800 * 30/100 = 1440
No of females in HR department = 25/100 * 3200 = 800
No of males in HR department =800/2 * 5 =2000
No of males in IT department = 10/100 * 4800 = 480
Number of males in Marketing department = 4800 – (1440+2000+480)
= 880
No of females in IT department = 110/100 * 480 = 528
No of females in sales department = 20/100 * 3200 = 640
No of females in Marketing department =3200 – (800+528+640)
= 1232

Number of employees in Sales = 1440 + 640 = 2080
Number of employees in IT = 480 + 528 = 1008
Required difference = 2080 – 1008 = 1072

 

10. Number of females in HR is what percent more than the number of females in Sales?

Ans:3
Total number of employees = 8000
Number of male employees = 8000 * 3/5 = 4800
Number of female employees = 8000 * 2/5 = 3200
No. of male employees in sales department = 4800 * 30/100 = 1440
No of females in HR department = 25/100 * 3200 = 800
No of males in HR department =800/2 * 5 =2000
No of males in IT department = 10/100 * 4800 = 480
Number of males in Marketing department = 4800 – (1440+2000+480)
= 880
No of females in IT department = 110/100 * 480 = 528
No of females in sales department = 20/100 * 3200 = 640
No of females in Marketing department =3200 – (800+528+640)
= 1232

Required percentage = (800 – 640)/640 x 100
= 160/640 x 100
= 25%

 

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