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A water flows through a cylindrical pip...

A water flows through a cylindrical pipe, whose inner radius is 1 cm, at the rate of `80 cm^(-1)` in an empty cylindrical tank, the radius of whose base is 40 cm. What is the rise of water level in tank in half an hour?

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The correct Answer is:
90 cm
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OSWAL PUBLICATION-SURFACE AREAS AND VOLUMES -NCERT EXEMPLAR (EXERCISE-13.4)
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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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  10. 500 persons have to dip in a rectangular tank which is 80 m long an...

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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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