A fridge has a listed price of Rs. 16,000. Successive discounts of 10 % and 20 % are given on its listed price. Sales tax is then charged at 30 %. Ravi bought it for Rs. S which includes the sales tax. Find S.
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Solution
List price of the fridge = Rs, 16,000
Price of the fridge after deducting the discounts = 16000[1−(10100)][1−(80100)]
=16000(0.9)(0.8)=Rs.11520
Sales tax = 30100(11,520)=Rs.3456
The final price of the fridge = Rs.11,520+Rs.3,456=Rs.14,976