Question : A dining set listed at INR 5000 is sold to a man at successive discounts of 20% and 10% by the shopkeeper. What is the selling price of the dining set?
Option 1: INR 3600
Option 2: INR 4800
Option 3: INR 1000
Option 4: INR 4000
Correct Answer: INR 3600
Solution :
Marked price = INR 5000
Two discounts are 20% and 10%.
So,
Selling price = $\frac{100-\text{Discount}_1\%}{100}× \frac{100-\text{Discount}_2\%}{100}×$ marked price
= 5000 × $\frac{100-20}{100}$ × $\frac{100-10}{100}$
= 5000 × $\frac{80}{100}$ × $\frac{90}{100}$
= INR 3600
Hence, the correct answer is INR 3600.
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