Question : Directions: The bar graph below shows the percentage distribution of a company's total expenditures under various expense heads during 2013. Study the graph and answer the given question.
If the total amount of expenditure of the company is N times the expenditure on research and development, then the value of N is:
Option 1: 5
Option 2: 18
Option 3: 20
Option 4: 27
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Correct Answer: 20
Solution :
Let the total expenditure be INR $100x$.
According to the question,
Expenditure on research and development = 5% = $\frac{5}{100} \times 100x$
$⇒100x = N \times \frac{5}{100} \times 100x$
$⇒ N = \frac{100}{5} = 20$%
Hence, the correct answer is 20.
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