Question

cost of constructing a marble floor is Rs 25 per square feet How much will it cost to lay marble on a square surface with 12 feet sides

Answer 1

Find the area of the square:

Area of the square surface = 12 x 12 = 144 ft²

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Find the cost of the square:

1 ft² = Rs 25

144 ft² = 25 x 144 = Rs 3600

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Answer: It costs Rs 3600

Answer 2

1 feet is 305 cm
area = 12×12
= 144 ft²
cost = 25 × 144
= Rs. 3600