Question : Arun buys one kilogram of apples for Rs. 120 and sells it to Swati gaining 25%. Swati sells it to Divya who again sells it for Rs. 198, making a profit of 10%. What is the profit percentage made by Swati?
Option 1: 25%
Option 2: 20%
Option 3: 16.67%
Option 4: 15%
Correct Answer: 20%
Solution :
Here SP is the selling price and CP is the cost price.
CP for Arun = Rs. 120
Profit = 25%
SP of apple = $\frac{125}{100}×120$ = Rs. 150
Again, SP by Divya = Rs. 198
Including profit = 10%
CP for Divya = $\frac{100}{110}×198$ = Rs. 180
$\therefore$ CP for Swati = Rs. 150
SP for Swati = Rs 180
Profit percentage = $\frac{180-150}{150}×100$ = $\frac{30}{150}×100$ = 20%
Hence, the correct answer is 20%.
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