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Question
If the ticket prices include a margin of 15% over the total cost that the company incurs, which among the following is the distance to be covered in flying from Chennai to Manipal that minimises the total cost per kilometre for the company?   
Options:
A .  2170
B .  2180
C .  2315
D .  2350
E .  2390
Answer: Option D
:
D
cost incurred per kilometre is:a) 2930/(1.15 * 2170) = 1.35/1.15b) 3340/(1.15 * 2180) = 1.53/1.15c) 2850/(1.15 * 2315) = 1.23/1.15d) 2275/(1.15 * 2350) = 0.96/1.15Hence option (d)

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