Question
The cost of fencing a square plot @ Rs.30/m is Rs. 2520.
What will be the cost of flooring the plot @ Rs. 3/ square m?Solution
Let side of square be a So cost of fencing it = 4a x 30 = 2520 So a = 21 Hence, Cost of flooring it = a 2 x 3 = 212 x 3 = 441 x 3 = Rs. 1323
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