1. By increasing the price of entry ticket to a fair in the ratio 11:16, the number of visitors to the fair has decreased in the ratio 19:9. In what ratio has the total collection increased or decreased?
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By: anil on 05 May 2019 02.11 am
Let cost of original ticket = Rs 11 and and number of visitors = 190 => Original revenue = 11 $$ imes$$ 190 = Rs 2090 After increase in cost of ticket New cost of ticket = Rs 16 and number of visitors = 90 => New Revenue = 16 $$ imes$$ 90 = Rs 1440 Since, new revenue is smaller than original revenue, thus total collection has decreased. $$ herefore$$ Decrease of total collection ratio = $$frac{2090}{1440}$$ = 209 : 144 => Ans - (A)
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