Data Interpretation  Bar Charts
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The bar graph given below shows the percentage distribution of the total expenditures of a company under various expense heads during 2003.
Percentage Distribution of Total Expenditure of a Company
Let the total expenditures be Rs. x.
Then, the expenditure on Research and Development (R & D)
= Rs. (5% of x)
= Rs.  5  x x  
100 
= Rs.  x  .  
20 
Ratio of the total expenditure to the expenditure on R & D
=  x  
x/20 
=  20  .  
1 
Then, the total expenditure is 20 times the expenditure of Research and Development.
Let the total expenditure be Rs. x crores.
Then, 15% of x = 2.10 x =  2.10 x 100  = 14.  
15 
Total expenditure = Rs. 14 crores
and so, the difference between the expenditures on transport and taxes
= Rs. [(12.5  10)% of 14] crores
= Rs. [2.5% of 14] crores
= Rs. 0.35 crores
= Rs. 35 lakhs
Let the total amount of expenditures be Rs. x.
Then, the total expenditure on infrastruture and transport
= Rs. [(20 + 12.5)% of x]
= Rs. [32.5% of x]
= Rs.  32.5x  
100 
and total expenditure on taxes and interest on loans
= Rs. [(10 + 17.5)% of x]
= Rs. [27.5% of x]
= Rs.  27.5x  
100 
Required ratio =  32.5x/100  =  13  .  
27.5x/100  11 
Let the total expenditure be Rs. x crores.
Then, 17.5% of x = 2.45 x = 14.
Total expenditure = Rs. 14 crores.
and so, the total expenditure on advertisement, taxes and Research and Development
= Rs. [(15 + 10 + 5)% of 14] crores
= Rs. [30% of 14] crores
= Rs. 4.2 crores.
Let the total amount of expenditures be Rs. x.
Then, the expenditure on interest on loans = Rs. (17.5% of x) = Rs.  17.5  x  
100 
and the expenditure on transport = Rs. (12.5% of x) = Rs.  12.5  x  .  
100 
Difference between the two expenditures 



and so, the required percentage =  5x/100  x 100  % = 40%.  
12.5x/100 