1. By increasing the price of entry ticket to a fair in the ratio 17:19, the number of visitors to the fair has decreased in the ratio 11:10. In what ratio has the total collection increased or decreased?
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By: anil on 05 May 2019 02.15 am
Let cost of original ticket = Rs 17 and and number of visitors = 110 => Original revenue = 17 $$ imes$$ 110 = Rs 1870 After increase in cost of ticket New cost of ticket = Rs 19 and number of visitors = 100 => New Revenue = 19 $$ imes$$ 100 = Rs 1900 Since, new revenue is greater than original revenue, thus total collection has increased. $$ herefore$$ Increase of total collection ratio = $$frac{1870}{1900}$$ = 187 : 190 => Ans - (B)
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