Online Data Interpretation Test  Data Interpretation Test 5
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Study the following bar chart and answer the questions carefully.
Sales Turnover of 5 Companies (in Rs. crores)
The required answer is
100  percentage value of the fraction (Absolute change/first year's value).
The circlegraph given here shows the spendings of a country on various sports during a particular year. Study the graph carefully and answer the questions given below it.
Percentage of money spend on Tennis =  45  x 100  % = 12  1  %.  
360  2 
Let the total spendings on sports be Rs. x. Then,
Amount spent on Golf = Rs.  36  x x  = Rs.  x  .  
360  10 
Amount spent on Hockey = Rs  63  x x  = Rs.  7x  .  
360  40 
Difference = Rs.  7x    x  = Rs  3x  .  
40  10  40 
Required percentage = Rs.  3x/40  x 100  % = 75%.  
x/10 
Let the total spendings on sports be Rs. x. Then,
Amount spent on Cricket = Rs.  81  x x  = Rs.  9x  .  
360  40 
Amount spent on Football = Rs  54  x x  = Rs.  3x  .  
360  20 
Difference = Rs.  9x    3x  = Rs  3x  .  
40  20  40 
Required percentage = Rs.  3x/40  x 100  % = 33  1  %.  
9x/40  3 
Amount spent on Cricket and Hockey together 


= Rs. 0.8 crores  
= Rs. 80,00,000. 
Amount spent on Basketball exceeds that on Tennis by:
Rs.  (50  45)  x 1,80,00,000  = Rs. 2,50,000.  
360 
Answer the questions based on the given line graph.
Ratio of Exports to Imports (in terms of money in Rs. crores) of Two Companies Over the Years
The exports are more than imports in those years for which the exports to imports ratio are more than 1. For Company A, such years are 1995, 1996 and 1997.
Thus, during these 3 years, the exports are more than the imports for Company A.
We shall try to find the difference between the imports and exports of Company B for various years one by one:
For 1995: We have
E  = 0.75 
I 
where E = amount of exports, I = amount of imports in 1995.
E = 0.75I
I  E = 0.75 x I = 0.25I.
Thus, the difference between the imports and exports of Company B in 1995 is dependent on the amount of imports of Company B in 1995.
Similarly, the difference for other years can be determined only if the amount of imports for these years is known.
Since the imports or exports for various years are not know, the differences between and exports for various years cannot be determined.
Let the amount of imports of Company A in 1998 be Rs. x crores.
Then,  237  = 0.75 x =  237  = 316. 
x  0.75 
Amount of imports of Company A in 1998 = Rs. 316 crores.
In 1997 for Company A we have:
E  = 1.75 i.e., E = 1.75I 
I 
where E amount of exports, I = amount of imports of Company A in 1997.
Now, the required imports I_{1} = I + 40% of I = 1.4I.
Required ratio =  E  =  1.75I  = 1.25. 
I_{1}  1.4I 
In 1995 for Company A we have:
E_{A}  = 1.75 ... (i) 
I_{A} 
[where E_{A} = amount of exports, I_{A} = amount of imports of Company a in 1995]
In 1995 for Company B we have:
E_{B}  = 0.75 ... (ii) 
I_{B} 
[where E_{B} = amount of exports, I_{B} = amount of imports of Company B in 1995]
Also, we have E_{A} = 2E_{B} ... (iii)
Substituting I_{A} = Rs. 180 crores (given) in (i), we get:
E_{A} = Rs. (180 x 1.75) crores = Rs. 315 crores.
Using E_{A} = Rs. 315 crores in (iii), we get:
E_{B} =  E_{A}  = Rs.  315  crores.  
2  2 
Substituting E_{B} = Rs.  315  crores in (ii), we get:  
2 
I_{B} =  E_{B}  = Rs.  315  crores = Rs. 210 crores.  
0.75  2 x 0.75 
i.e., amount of imports of Company B in 1995 = Rs. 210 crores.
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.
Year  
Managers  Technicians  Operators  Accountants  Peons  
New  Left  New  Left  New  Left  New  Left  New  Left  
1995  760    1200    880    1160    820   
1996  280  120  272  120  256  104  200  100  184  96 
1997  179  92  240  128  240  120  224  104  152  88 
1998  148  88  236  96  208  100  248  96  196  80 
1999  160  72  256  100  192  112  272  88  224  120 
2000  193  96  288  112  248  144  260  92  200  104 
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.
Required Percentage =  580  x 100  % = 28.66% 29%.  
2024 
Number of Managers working in the Company:
In 1995  = 760. 
In 2000  = (760 + 280 + 179 + 148 + 160 + 193)  (120 + 92 + 88 + 72 + 96) 
= 1252. 
Percentage increase in the number of Managers
=  (1252  760)  x 100  % = 64.74%.  
760 
Number of Technicians working in the Company:
In 1995  = 1200. 
In 2000  = (1200 + 272 + 240 + 236 + 256 + 288)  (120 + 128 + 96 + 100 + 112) 
= 1936. 
Percentage increase in the number of Technicians
=  (1936  1200)  x 100  % = 61.33%.  
1200 
Number of Operators working in the Company:
In 1995  = 880. 
In 2000  = (880 + 256 + 240 + 208 + 192 + 248)  (104 + 120 + 100 + 112 + 144) 
= 1444. 
Percentage increase in the number of Operators
=  (1444  880)  x 100  % = 64.09%.  
880 
Number of Accountants working in the Company:
In 1995  = 1160. 
In 2000  = (1160 + 200 + 224 + 248 + 272 + 260)  (100 + 104 + 96 + 88 + 92) 
= 1884. 
Percentage increase in the number of Accountants
=  (1884  1160)  x 100  % = 62.41%.  
1160 
Number of Peons working in the Company:
In 1995  = 820. 
In 2000  = (820 + 184 + 152 + 196 + 224 + 200)  (96 + 88 + 80 + 120 + 104) 
= 1288. 
Percentage increase in the number of Peons
=  (1288  820)  x 100  % = 57.07%.  
820 
Clearly, the percentage increase is maximum in case of Managers.
Required difference
= (272 + 240 + 236 + 256 + 288)  (200 + 224 + 248 + 272 + 260)
= 88.
Total number of Peons working in the Company in 1999
= (820 + 184 + 152 + 196 + 224)  (96 + 88 + 80 + 120)
= 1192.
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. 
Pooled average of all the five categories of employees working in the Company in 1997
=  1  x (1007 + 1464 + 1152 + 1380 + 972) 
5 
=  1  x (5975) 
5 
= 1195.