Textile Engineering > GATE 2020 > Profit and Loss
The revenue and expenditure of four different companies P, Q, R and S in 2015 are shown in the figure. If the revenue of company Q in 2015 was 20% more than that in 2014, and company Q had earned a profit of 10% on expenditure in 2014, then its expenditure (in million rupees) in 2014 was ________.
Correct : c
From the graph, Revenue of Q in 2015 = ₹45 million
Revenue in 2015 = Revenue in 2014 × 1.20
45 = Revenue in 2014 × 1.20
Revenue of Q in 2014 = 45 ÷ 1.20 = ₹37.5 million
Let expenditure in 2014 = x million rupees
Profit% = (Revenue − Expenditure) ÷ Expenditure × 100
10 = (37.5 − x) ÷ x × 100
10x = 3750 − 100x
110x = 3750
x = 3750 ÷ 110
x = 34.09 ≈ 34.1 million rupees
The expenditure of company Q in 2014 = 34.1 million rupees (Option C)
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