A large auditorium has 1600 seats. What are the possible arrangements in rows?
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Sorry I didn't get a chance to look at the work of the
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Total no. of seats = 1600
Total no. of rows = 65
Total no. of rows having 20 seats = 5
Thus no. of seats left = 1600 - (20×5)
= 1600 - 100
= 1500
Now, No. of rows left = 65 - 5 = 60
No. of seats in each row = 1500 /60
= 25
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