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A solid iron rectangular block of dimens...

A solid iron rectangular block of dimensions 4.4m, 2.6m and 1m is cast into a hollow cylindrical pipe of internal radius 30cm and thickness 5cm. Find the length of the pipe.

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The correct Answer is:
112 m
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OSWAL PUBLICATION-SURFACE AREAS AND VOLUMES -NCERT EXEMPLAR (EXERCISE-13.4)
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  3. How many cubic centimetres of iron are there in an open box whose e...

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  5. Water flows at the rate of 10 m/min from a cylindrical pipe 5 mm in di...

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  7. A factory manufacture 120000 pencils daily. The pencils are cylindri...

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  8. Water is flowing at the rate of 15 km/hour through a pipe of diameter ...

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  9. A solid iron rectangular block of dimensions 4.4m, 2.6m and 1m is cast...

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  11. Metal spheres, each of radius 2 cm, are packed into a rectangular b...

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  13. A cylindrical bucket, 32 cm high and with radius of base 18 cm, is ...

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  15. A bulinding is in the form of a cylinder surmounted by a hemispheri...

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  16. A hemispherical bowl of internal radius 9 cm is full of liquid . The ...

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  17. A solid right circular cone of height 120 cm and radius 60 cm is place...

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  18. A water flows through a cylindrical pipe, whose inner radius is 1 cm...

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  19. The rain water from a roof af dimensions 22 m xx 20 m drains into ...

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  20. A pen stand made of wood is in the shape of a cuboid with four ...

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