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An event management team tried to arrange 9610 chairs in the form of a square, but found that 6 chairs were being left out. How many chairs were there in each row?
1. 94
2. 86
3. 89
4. 98

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Correct Answer - Option 4 : 98


Total chairs needed = 9610

The chairs being left out = 6

Concept used:

The area of square = Area occupied by the total chairs

The sides of the square = Number of a chair in each row

Formula used:

Area of square = a2

a = side of the square


According to the question,

The total chair available = 9610 - 6

⇒ The total chair available = 9604


The area of square = Area occupied by the total chairs

⇒ a2 = 9604

⇒ a = 98

∴ The total number of chairs in each row is 98.

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