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Standard VIII

Mathematics

Solid Cylinder

3. Coffee is ...

Question

3. Coffee is draining from a conical filter of height anddiameter both 15 cm into a cylindrical coffee potof diameter 15 cm. The rate at which coffee drainsfrom the filter into the pot is 100 cm3/minute. Therate in cm/minute at which the level in the pot isrising at the instant when the coffee in the pot is10 cm, is

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