Instructions
Study the following graph carefully and answer the questions given below it.
Percentage Profit/Loss = $$\frac{Income - Expenditure}{Expenditure}\times100$$
Question 94
If the expenditure of company A and B in 2000 were equal and the total income of the two companies was Rs. 5.7 lakhs, what was the total expenditure of the two companies in 2000 ?
Solution
Let e be the expenditure of each of the companies in 2000. If I is the income of A, then income of B = 5.7 - I
So, 40% = (I - e)/e
45% = (5.7 - I - e)/e
=> e = 2
Total expenditure of both the companies = 2 + 2 = 4 lakhs.
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