1. By increasing the price of entry ticket to a fair in the ratio 13:16, the number of visitors to the fair has decreased in the ratio 11:9. In what ratio has the total collection increased or decreased?
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By: anil on 05 May 2019 02.12 am
Let cost of original ticket = Rs 13 and and number of visitors = 110 => Original revenue = 13 $$ imes$$ 110 = Rs 1430 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 greater than original revenue, thus total collection has increased. $$ herefore$$ Increase of total collection ratio = $$frac{1430}{1440}$$ = 143 : 144
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