Same chapter4 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.
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4 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.
Original Khojo Papers practice question — not from a past board paper.
Answer
1 cm
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The sphere displaces its own volume, (4/3)π × 27 = 36π cm3. If the level rises by h then π × 36 × h = 36π, so h = 1 cm.
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