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Chair arc to be arranged for a wedding function is square configuration. 1000 chairs are available. How many additional chairs will be required for square configuration? At the same time, also find the number of chairs in each row.

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Best answer

Total chairs = 1000

1000 from a square number

39 are more than

∴ 1000 – 39 = 961

\(\sqrt {961}\)  = 31

∴ Number of more chairs required

= (32)2 – 1000 = 1024 – 1000 = 24

Number of chairs in each row = 31 + 1 = 32

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