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The area of a playground is 3650 m^(2). ...

The area of a playground is `3650 m^(2)`. Find the cost of covering it with gravel 1.2cm deep, if the gravel costs Rs 6.40 per cubic metre.

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The correct Answer is:
Rs 280.32
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ICSE-SOLIDS-Exercise 21(A)
  1. The length, breadth and height of a rectangular solid are in the ratio...

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  2. The volume of a cube is 729cm^(3). Find its total surface area

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  3. The dimensions of a Cinema Hall are 100m, 60m and 15m. How many person...

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  4. 75 persons can sleep in a room 25m by 9.6m. If each person requires 16...

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  5. The edges of three cubes of metal are 3cm, 4cm and 5cm. They are melte...

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  6. Three cubes, whose edges are x cm, 8cm and 10cm respectively, are melt...

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  7. Three equal cubes are placed adjacently in a row. Find the ratio of th...

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  8. The cost of papering the four walls of a room at 75 paise per square m...

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  9. The area of a playground is 3650 m^(2). Find the cost of covering it w...

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  10. A square plate of side 'x' cm is 8mm thick. If its volume is 2880cm^(3...

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  11. The external dimensions of a closed wooden box are 27cm, 19cm and 11cm...

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  12. The external dimensions of a closed wooden box are 27cm, 19cm and 11cm...

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  13. The external dimensions of a closed wooden box are 27cm, 19cm and 11cm...

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  14. A tank 20m long, 12m wide and 8m deep is to be made of iron sheet. It ...

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  15. A closed rectangular box is made of wood of 1.5cm thickness. The exter...

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  16. The square on the diagonal of a cube has an area of 1875 sq. cm. Calcu...

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  17. The square on the diagonal of a cube has an area of 1875 sq. cm. Calcu...

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  18. A hollow square-shaped tube open at both ends is made of iron. The int...

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  19. Four identical cubes are joined end to end to form a cuboid. If the to...

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