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If by increasing the price of a ticket in the ratio `8:11` the number of tickets sold fall in the ratio `23:21` then what is the increase (in Rs) in revenue if revenue before increase in price of ticket was Rs. 36 ,800 ?

A

21250

B

9400

C

7850

D

12850

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CHAMPION PUBLICATION-2017 TIER-II PAPER(10)-EXERCISE
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