CBSE Class 10 Maths (Standard) 2015 · Paper 30/1 · Question 19
A cubical block of side cm is surmounted by a hemisphere. What is the largest diameter that the hemisphere can have? Find the cost of painting the total surface area of the solid so formed, at the rate of ₹ per sq. cm. [Use ]
Answer
Largest diameter cm; painted area cm; cost ₹ (exactly ₹).
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