Question 109

For every set of 19 kites sold, a vendor gives 1 kite extra, free of cost. In order to give a discount of 10%, the number of extra kites he should give in a sale of 27 kites to the nearest integer is

Solution

Kites of Rs. 20 are available for Rs. 19

=> Discount = $$\frac{20-19}{20}$$ * 100 = 5%

Similarly, if someone gets kites of Rs. 20 for Rs. 18

discount will be = $$\frac{20-18}{20}$$ * 100 = 10%

$$\therefore$$ Required answer = $$\frac{2}{20}$$ * 27 = 2.7

= ~3

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