IBPS Clerk/RRB Mains 2016 - Practice Quantitative Aptitude Questions (Data Interpretation)

IBPS Clerk/RRB Mains 2016 - Practice Quantitative Aptitude Questions (Data Interpretation)  Set-58:

Dear Readers, Important Practice Aptitude Questions for IBPS Clerk/RRB Mains and Upcoming Exams was given here with Solutions. Aspirants those who are preparing for the examination can use this.

Directions (Q. 01-05): Study the following graph carefully and answer the questions given below:

1). The total number of employees in Company A over the years together was approximately what per cent of the total number of employees in Company C in the year 2007 and 2008 together?

a)   210%     

b)   225%     

c)   45%

d)   233%     

e)   155%

2). What was the percentage decrease in the number of employees in Company B in the year 2008 in comparison to the previous year?

a)   22%       

b)   10.5%    

c)   12.5%

d)   25%       

e)   27.5%

3). What was the ratio of the number of employees in Company B in the year 2005 to the number of the employees in Company C in the year 2007?

a)   5 : 4       

b)   2:5         

c)   4:5

d)   2:7         

e)   3:5

4). If 30 per cent of the total number of employees in the year 2006 in all the companies together were females, what was the total number of male employees that year in all the companies together?

a)   4900      

b)   59000    

c)   48000

d)   49000    

e)   48500

5). What is the ratio of the total employees in all three companies in 2007 to that in 2009?

a)   9 : 8       

b)   7:6         

c)   5:4

d)   6:5         

e)   4:3

Directions (Q. 06-10): Answer the following questions based on the given graph:

In the line graph the prices (in Rs.) of four types of tile M, N, O, P respectively are given for different years.

6). Which type of tiles shows the maximum percentage increase in the price over the given period?

a)   M 

b)   N 

d)   P  

e)   Both O and P

7). Which type of tiles shows the maximum average price over the years?

e)   Both M and N

8). In which year is the average price of all four types of tiles the minimum?

a)   2006

b)   2008

c)   2010

d)   2011

e)   2012

9). Total price of all four types of tiles in 2012 is what per cent more or less than the total price of all four types of tiles in 2009?

10). What is the ratio of the price of tiles O in 2008 to that of tiles P in 2010?

a)   2:1

b)   4:3

c)   3:4

d)   5:2

e)   4 : 5

Solutions Key:

1. D); Total number of employees in Company A over all the years together

=(15+30+45+25+50+45)x 1000 =210000

Total number of employees in Company C in the year 2007 and 2008

= (50 +40) x 1000=90000

Reqd % = (210000x100/90000)=233.3% =Approx. 233%

2. C); Number of employees in Company B in the year 2008=35000

Number of employees in Company B in the year 2007=40000

%decrease = (40 -35)/40 x (1000/1000) x 100=12.5%

3. B); Number of employees in Company B in the year 2005=20000

Number of employees in Company C in the year 2007=50000

:. Reqd ratio =20000 : 50000 =2 : 5

4. D);  Total number of employees in 2006 in all the companies together

=(30 +15 +25)x1000=70000

Number of female employees = 70000 x (30/100) = 21000

:. Number of male employees = (70000 - 21000)

5. A); Total number of employees in Company A, B and C in 2007

=(45 + 40 + 50) x 1000 =135000

Total number of employees in Company A, B and C in 2009 = (50 + 40 + 30) x 1000

Reqd ratio = 135000 :120000 =9 : 8

6. D); The graph shows that the price of M and N type tiles decreases over the period

Now, for O type tiles the percentage increase from 2006 to 2012 is

(200 – 150)/150 x 100 = 250/50 x 100 = 33 1/3 %

For P type tiles the percentage increase from 2006 to 2012 is

(300 – 50)/50 x 100 = 250/50 x 100 = 500%

7. B); Average price of M during 2006 to 2012 = 1/7 (250 + 400 + 50 + 150 + 200 + 50 + 150) = 1250/7 = 178.57

Average price of N during 2006 to 2012 = 1/7 (300 + 350 + 250 + 350 + 300 + 350 + 250) = 2150/7 = 307.14

Average price of O during 2006 to 2012 = 1/7 (150 + 100 + 200 + 300 + 100 + 250 + 200) = 1300/7 = 185.714

Average price of P during 2006 to 2012 = 1/7 (50 + 200 + 150 + 100 + 250 + 100 + 300) = 164.28

Thus, N type of tiles show the maximum average price during 2006 to 2012

8. B); Average price of all tiles in

2006 => (50 + 150 + 250 + 300)/4 = 187.5

2007 => (100 + 200 + 350 + 400)/4 = 262.5

2008 => (50 + 150 + 200 + 250)/4 = 162.5

2009 => (100 + 150 + 300 + 350)/4 = 225

2010 => (100 + 200 + 250 + 300)/4 = 212.5

2011 => (50 + 100 + 250 + 350)/4 = 187.5

2012 => (150 + 200 + 250 + 300) = 225

Therefore in 2008, the average price of all four types is the minimum

9. C); Total price of all four types of tiles in 2012 = 150 + 200 + 250 + 300 = 900

Total price of all four types of tiles in 2009 = 100 + 150 + 300 + 350 = 900

Both are equal, so the required percentage is 0%

10. E); Required ratio = (Price of O type tile in 2008/ Price of O type tile in 2009)

=200 / 250 = 4/5

 

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