In an auditorium, seats were arranged in rows and columns. The number of rows was equal to the number of seats in each row. When the number of rows was doubled and number of seats in each row was reduced by 10, the total number of seats increased by 300. Find:

x = 30 rows & capacity = 2400

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x = 30 rows & capacity = 1200

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x = 60 rows & capacity = 2400

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x = 15 rows & capacity = 600

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x = 45 rows & capacity = 1800

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Solution

The correct option is B
x = 30 rows & capacity = 1200

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Similar questions

In an auditorium. seats were arranged in rows and columus. The number of rows was equal to the number of seats in each row. When the number of rows was doubled and the number of seats increased by 300. Find :

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(ii) the number of seats in the auditorium after re-arrangement.

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Question 124

A hall has a capacity of 2704 seats. If the number of rows is equal to the number of seats in each row, then find the number of seats in each row.

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In an auditorium, seats were arranged in rows and columns. The number of rows was equal to the number of seats in each row. When the number of rows was doubled and number of seats in each row was reduced by 10, the total number of seats increased by 300. Find:

The correct option is B x = 30 rows & capacity = 1200

The correct option is B
x = 30 rows & capacity = 1200