Question

In a soccer stadium, the first row has 610 seats. The second row has 620 seats, the third has 630 seats, and so on. The stadium sells seats from the middle of a row outwards. Each row must be completely sold before they sell tickets for the next row.

Find the number of seats that can be sold if
Only the front row is used.
Only the front two rows are used.
Only the front three rows are used.
Describe the pattern you notice in the total number of seats sold if the front n rows are used.
Derive a formula for the total number of seats that can be sold if the front n rows are used.
Verify the formula derived by you above.
Hence, find the total number of seats can be sold if the front 30 rows are used.
Find the number of rows needed for the first 10,000 tickets.

Answer 1

Answer:

luminaroy 85 ur dp is very nice