Data Interpretation questions test one's ability in analysing data, inspecting the elements in data and interpreting them to extract maximum information from the given set of data or information. The data is usually given in the form of charts, tables and graphs.
Practise with our Data Interpretation questions and answers to help you know what to expect, improve your speed and confidence and be really prepared for the actual test.
The following table gives the percentage distribution of population of five states, P, Q, R, S and T on the basis of poverty line and also on the basis of sex.
4.5 million
4.85 million
5.35 million
6.25 million
Correct answer is D
Let the total population of State R be x million.
Then, population of State R above poverty line
= [(100 - 24)% of x] million
= ( 76/100 x x ) million
And so, male population of State R above poverty line
= [ 2/5 x ( 76/100 x x ) ] million
But, it is given that male population of State R above poverty line= 1.9 million.
Therefore 2/5 x ( 76/100 x x ) = 1.9 => x = (5 x 100 x 1.9)/76 x 2 = 6.25
Therefore Total population of State R = 6.25 million.
The following table shows the number of new employees added to different categories of employees in a company and also the number of employees from these categories who left the company every year since the foundation of the Company in 1995.
19%
21%
27%
29%
Correct answer is D
Total number of Operators who left the Company during 1995 - 2000
= (104 + 120 + 100 + 112 + 144)
= 580.
Total number of Operators who joined the Company during 1995 - 2000
= (880 + 256 + 240 + 208 + 192 + 248)
= 2024.
Therefore Required Percentage
= ( 580/2024 x 100 ) %
= 28.66%
≈ 29%.
The following table shows the number of new employees added to different categories of employees in a company and also the number of employees from these categories who left the company every year since the foundation of the Company in 1995.
What is the pooled average of the total number of employees of all categories in the year 1997?
1325
1195
1265
1235
Correct answer is B
Total number of employees of various categories working in the Company in 1997 are:
Managers = (760 + 280 + 179) - (120 + 92) = 1007.
Technicians = (1200 + 272 + 240) - (120 + 128) = 1464.
Operators = (880 + 256 + 240) - (104 + 120) = 1152.
Accountants = (1160 + 200 + 224) - (100 + 104) = 1380.
Peons = (820 + 184 + 152) - (96 + 88) = 972.
Therefore Pooled average of all the five categories of employees working in the Company in 1997
= 1/5 x (1007 + 1464 + 1152 + 1380 + 972)
= 1/5 x (5975)
= 1195.
The following table shows the number of new employees added to different categories of employees in a company and also the number of employees from these categories who left the company every year since the foundation of the Company in 1995.
Managers
Technicians
Operators
Accountants
Correct answer is A
Number of Managers working in the Company:
In 1995 = 760.
In 2000 = (760 + 280 + 179 + 148 + 160 + 193) - (120 + 92 + 88 + 72 + 96)
= 1252.
Therefore Percentage increase in the number of Managers
= [ (1252 - 760)/760 x 100 ] % = 64.74%.
Number of Technicians working in the Company:
In 1995 = 1200.
In 2000 = (1200 + 272 + 240 + 236 + 256 + 288) - (120 + 128 + 96 + 100 + 112)
= 1936.
Therefore Percentage increase in the number of Technicians
= [ (1936 - 1200)/1200 x 100 ] % = 61.33%.
Number of Operators working in the Company:
In 1995 = 880.
In 2000 = (880 + 256 + 240 + 208 + 192 + 248) - (104 + 120 + 100 + 112 + 144)
= 1444.
Therefore Percentage increase in the number of Operators
= [ (1444 - 880)/880 x 100 ] % = 64.09%.
Number of Accountants working in the Company:
In 1995 = 1160.
In 2000 = (1160 + 200 + 224 + 248 + 272 + 260) - (100 + 104 + 96 + 88 + 92)
= 1884.
Therefore Percentage increase in the number of Accountants
= [ (1884 - 1160)/1160 x 100 ] % = 62.41%.
Number of Peons working in the Company:
In 1995 = 820.
In 2000 = (820 + 184 + 152 + 196 + 224 + 200) - (96 + 88 + 80 + 120 + 104)
= 1288.
Therefore Percentage increase in the number of Peons = [ (1288 - 820)/820 x 100 ] % = 57.07%.
Clearly, the percentage increase is maximum in case of Managers
The following table shows the number of new employees added to different categories of employees in a company and also the number of employees from these categories who left the company every year since the foundation of the Company in 1995.
What was the total number of Peons working in the Company in the year 1999?
1312
1192
1088
968
Correct answer is B
Total number of Peons working in the Company in 1999
= (820 + 184 + 152 + 196 + 224) - (96 + 88 + 80 + 120)
= 1192