Question : The marked price of a chair is Rs. 1,650. This chair is sold at two successive discounts of 10% and 20%. What is the selling price of the chair?
Option 1: Rs. 1,188
Option 2: Rs. 1,288
Option 3: Rs. 1,166
Option 4: Rs. 1,265
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Correct Answer: Rs. 1,188
Solution :
Marked price = Rs.1650
Single equivalent discount = $(a+b-\frac{a×b}{100}$)%, where $a$% and $b$% are successive discounts.
So, Single equivalent discount of 10% and 20% = $10+20-\frac{10×20}{100}$ = 28%
Amount discounted = 28% of Rs. 1650 = Rs. 462
Selling price = marked price – discount = Rs.1650 – Rs. 462 = Rs. 1188
Hence, the correct answer is Rs. 1,188.
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