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6. The volume of a cuboid Is 14400is a rectangle having its sides in the ratio 5:3. Find the perimeter7. The area of a path is 6500 m2. Find the cost of covering it with gravel 14 em deep at therate of5.60 per cubic metre.tho four walls of a room 12 m long at 6.50 per square metre is7378 Find the height |
| Answer» <p>7)Area of path= 6500 sq. metre </p><p>Cost of covering it= 5.60/- for 14 cm deep gravel</p><p>14cm = 0.14m</p><p>Volume = 0.14 × 6500 = 910 cubic meter</p><p>Cost of gravel= 910 × 5.60 = 5096/-</p> <p>thanks</p> | |