The bar chart given below shows the ratio of expenditure to revenue for seven consecutive years Y1, Y2, Y3, Y4, Y5, Y6 and Y7.
Revenue for year Y4 is ₹ 22500. What is the profit for year Y4?
Ratio of Expenditure to Revenue = 0.9 = 9 : 10
Let expenditure be Rs.9x and Revenue be Rs.10x
Given 10x = 22500 => x = 2250
Then, Profit = Revenue - Expenditure = Rs.10x - Rs.9x = Rs.x = Rs.2250
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