1. To attract more visitors, Zoo authority announces 20% discount on every ticket which costs 25 paise. For this reason, sale of ticket increases by 28%. Find the percentage of increase in the number of visitors.
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By: anil on 05 May 2019 01.52 am
Let total number of visitors = 100 Original revenue = 25p * 100 = 2500p Discounted price = $$frac{20}{100}$$ * 25p = 5p => New price = 25p-5p = 20p Increase in sale = 28% = $$frac{28}{100}$$ * 2500p = 700p => New revenue = 2500p+700p = 3200p => No. of visitors will be = 3200p/20p = 160 => % increase in visitors = $$frac{160-100}{100}$$ * 100 = 60%
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