Question : The following bar chart shows the revenue (in thousand rupees) generated from the sale of 5 different objects, O1 to O5.
The following bar chart shows the profit percentage gained through the sales of these 5 objects.
${\text{Profit percentage}}=\frac{\text { Revenue }- \text { Cost }}{\text { Cost }} \times 100$
What is the cost incurred in the procurement and sale of O1?
Option 1: INR 1,40,000
Option 2: INR 1,20,000
Option 3: INR 1,50,000
Option 4: INR 1,60,000
Correct Answer: INR 1,50,000
Solution :
Let the cost of O
1
be $x$.
⇒ Profit percentage = $\frac{\text{Revenue – Cost}}{\text{Cost}}×100$
⇒ $20 = \frac{180000 - x}{x} × 100$
⇒ $0.2 = \frac{180000 }{x}- 1$
⇒ $x=\frac{180000 }{1.2}= 150000$
Hence, the correct answer is INR 1,50,000.
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