Question : A fan is listed at Rs. 150 with a discount of 20%. What additional discount must be offered to the customer to bring the net price to Rs. 108?
Option 1: 15%
Option 2: 10%
Option 3: 5%
Option 4: 20%
Correct Answer: 10%
Solution :
Selling price = marked price – discount
The selling price of the fan after the first discount is:
$⇒150 - \frac{20}{100} \times 150 = $ Rs.120
Let the additional discount as $x$.
So, $120 - \frac{x}{100} \times 120 = 108$
$⇒\frac{x}{100} \times 120 = 120 - 108$
$⇒x = \frac{12}{12} \times 10 = 10$%
Hence, the correct answer is 10%.
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