Question : After deducing a commission of 20 %, a DVD set costs INR 9,080. Its marked price is:
Option 1: INR 11,200
Option 2: INR 11,350
Option 3: INR 10,000
Option 4: INR 10,100
Correct Answer: INR 11,350
Solution :
Set Value = INR 9080
Deduction = 20%
The cost of set = $\frac{100-\text{commission }\%}{100}×\text{Marked price}$
9080 = $\frac{100-20}{100}×\text{Marked price}$
⇒ Marked price = $\frac{9080\times 100}{80}=11350$
Hence, the correct answer is INR 11,350.
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