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Question

The cost of booking a bus consists of a fixed charge and a variable charge per seat. When 75 seats are booked, the average cost per seat is Rs. 36. However, if 90 seats are booked, the average cost per seat decreases to Rs. 35. Determine the average cost per seat when 100 seats are booked.

A Rs. 33

B Rs. 34.5

C Rs. 32.5

D Rs. 30

E None of these

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