Question

5. Find the cost of tiling a rectangular plot of land 300 m long and 150 m wide at the rate of rupees 6 per hundred squaroe m.

6. If it costs rupees 1600 to fence a rectangular park of length 20 m at the rate of rupees 25 per m2, find the breadth of the park and its perimeter. Also, find the area of the field.

7. How many rectangles can be drawn with 38 cm as perimeter? Also, find the dimensions of the rectangle whose area will be maximum.

8. The length of a rectangular wooden board is thrice its breadth. If the breadth of the board is 120 cm, find the cost of framing it at the rate of rupees 5 for 20 cm.

Answer 1

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