Tickets for all but 100 seats in a 10,000 seat stadium were

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Tickets for all but 100 seats in a 10,000 seat stadium were sold. Of the tickets sold, 20% were sold at half price and the remaining tickets were sold at the full price of 20. The total revenue from the ticket sales, in was

1. 158400
2. 178200
3. 180000
4. 198000

Correct Option: B

Total revenue earned

= ₹		9900 ×	20	× 10 + 9900 ×	80	× 2
			100		100

= ₹(19800 + 158400)
= ₹ 178200