Question
There are 20 rows of seats in a conference hall with 20 seats in the first row, 21 seats in the second row, 22 seats in the third row and so on. In total, how many seats are there in the conference hall?
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Question 2
All purchased a printer for Rs. 80,000. After spending Rs. 5000 on repair and Rs. 1000 on a new part, he sold it at 25% profit. At what price did he sell the printer?Question Text | There are 20 rows of seats in a conference hall with 20 seats in the first row, 21 seats in the second row, 22 seats in the third row and so on. In total, how many seats are there in the conference hall? |