Discussion
If the marked price of a fan listed at₹2,220 is sold at a discount of 20%, then the selling price of the fan is:
Answer: C
A 20 per cent discount leaves 80 per cent of the marked price, so the selling price is 0.8 x 2220 = Rs 1,776. Rs 1,976, Rs 1,876 and Rs 1,676 correspond to discounts of about 11, 15.5 and 24.5 per cent. The discount is 20 per cent of Rs 2,220, which is Rs 444, and 2220 minus 444 is 1776. The same result comes from multiplying by 4/5, since 2220 divided by 5 is 444 and 444 times 4 is 1776.
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