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In the following diagram a rectangular p...

In the following diagram a rectangular platform with a semi-circular end on one side is 22 metres long from one end to the other end. If the length of the half circumference is 11 metres, find the cost of constructing the platform, 1.5 metres high at the rate of Rs 4 per cubic metres.

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Rs `892.50`
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ICSE-CYLINDER, CONE AND SPHERE -EXERCISE 20 (G)
  1. A solid is in the form of a cone standing on a hemi-sphere with both t...

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  2. The diameter of a sphere is 6 cm. It is melted and drawn into a wire o...

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  3. What is the ratio of the volume of a cube to that of a sphere which...

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  4. A solid iron pole having cylindrical portion 110cm high and of base ...

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  5. In the following diagram a rectangular platform with a semi-circular e...

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  6. The cross-section of a tunnel is a square of side 7 m surmounted by a ...

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  7. The cross-section of a tunnel is a square of side 7 m surmounted by a ...

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  8. The cross-section of a tunnel is a square of side 7 m surmounted by a ...

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  9. A cylindrical water tank of diameter 2.8 m and height 4.2 m is being f...

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  10. Water flows, at 9 km per hour, through a cylindrical pipe of cross-sec...

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  11. The given figure shows the cross-section of a cone, a cylinder and a h...

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  12. A solid consisting of a right circular cone, standing on a hemisphere,...

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  13. A metal container in the form of a cylinder is surmounted by a hemisph...

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  14. A metal container in the form of a cylinder is surmounted by a hemisph...

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  15. An exhibition tent is in the form of a cylinder surmounted by a cone. ...

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  16. A test tube consists of a hemisphere and a cylinder of the same radius...

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  17. A solid is in the form of a right circular cone mounted on a hemispher...

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  18. Two solid spheres of radii 2 cm and 4 cm are melted and recast into a ...

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  19. A certain number of metallic cones, each of radius 2 cm and height 3 c...

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  20. A conical tent has to accommodate 77 persons. Each person must have 16...

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