Same chapter4 marksDifficulty: Hard
A cylindrical vessel of radius 6 cm contains water to a height of 10 cm. A solid sphere of radius 3 cm is dropped in and is completely submerged. Find the rise in the water level.
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4 marksDifficulty: Hard
A toy is in the shape of a cone of radius 3.5 cm and height 12 cm mounted on a hemisphere of the same radius. Find the total volume of the toy. Take π = 22/7.
Original Khojo Papers practice question — not from a past board paper.
Answer
243.83 cm3 approximately
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Volume of the cone = (1/3) × 22/7 × 12.25 × 12 = 154 cm3. Volume of the hemisphere = (2/3) × 22/7 × 42.875 = 89.83 cm3. The total is about 243.83 cm3.
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