Question : Ramagya sold his computer at three successive discounts of 18%, 12%, and 5%. If the marked price of the computer is INR 36,000, then find the net selling price of the computer. (Correct to two places of decimals.)
Option 1: INR 24,786.72
Option 2: INR 24,678.72
Option 3: INR 24,687.72
Option 4: INR 24,876.72
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Correct Answer: INR 24,678.72
Solution :
Price after 1st discount of 18% = 100% – 18% = 82%
Price after 2nd discount of 12% = 82% – 0.12(82%) = 92% – 9.84% = 72.16%
Price after 3rd discount of 5% = 72.16% – 0.05(72.16)% = 68.552%
So, the selling price after three successive discounts = 68.552% of 36000
= $\frac{68.552}{100}\times 36000$
= $24,678.72$
Hence, the correct answer is INR 24,678.72.
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