Question

The total cost of painting a square wall is 2500 rupees at 100 rupees per sq.m.Find the perimeter of the wall.

Answer 1

Total cost= Rs 2500
Cost /m² = Rs 100
Area = 2500/100
= 25 m²
side = √25
= 5m
perimeter = 5×4
= 20 m



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Answer 2

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