Exercise :: Table Charts  Table Chart 8
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 
1.  What is the difference between the total number of Technicians added to the Company and the total number of Accountants added to the Company during the years 1996 to 2000? 

Answer: Option D Explanation: Required difference = (272 + 240 + 236 + 256 + 288)  (200 + 224 + 248 + 272 + 260) = 88. 
2.  What was the total number of Peons working in the Company in the year 1999? 

Answer: Option B Explanation: Total number of Peons working in the Company in 1999 = (820 + 184 + 152 + 196 + 224)  (96 + 88 + 80 + 120) = 1192. 
3.  For which of the following categories the percentage increase in the number of employees working in the Company from 1995 to 2000 was the maximum? 

Answer: Option A Explanation: Number of Managers working in the Company:
Percentage increase in the number of Managers
Number of Technicians working in the Company:
Percentage increase in the number of Technicians
Number of Operators working in the Company:
Percentage increase in the number of Operators
Number of Accountants working in the Company:
Percentage increase in the number of Accountants
Number of Peons working in the Company:
Percentage increase in the number of Peons
Clearly, the percentage increase is maximum in case of Managers. 
4.  What is the pooled average of the total number of employees of all categories in the year 1997? 

Answer: Option B Explanation: Total number of employees of various categories working in the Company in 1997 are:
Pooled average of all the five categories of employees working in the Company in 1997
= 1195. 
5.  During the period between 1995 and 2000, the total number of Operators who left the Company is what percent of total number of Operators who joined the Company? 

Answer: Option D Explanation: 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.
