Question

a square plot has side 30metre into 30 metre. Apath 1 m wide is built inside it remaining of Park is covered by grass if the total cost of covering by grass is 1176 find the rate per square metre at which the park is covered by grass

Answer 1

The area of path is= (30×30)-(28×28)
=900-784=116
The cost of covering the path is rs.1176
Then the cost of per metre square is
=1176/116= 10.133
Approx rs.10.13

Answer 2

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