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The internal and external diameters of a hollow hemispherical vessel are 24 cm and 25 cm respectively. If the cost for painting 1 cm’ of the surface area is Rs. 0.05 then the total cost of painting the vessel all over is :
(1) Rs 90.05
(2) Rs 96.28
(3) Rs 95.20
(4) Rs 96.29
The internal and external diameters of a hollow hemispherical vessel are 24 cm and 25 cm respectively. If the cost for painting 1 cm’ of the surface area is Rs. 0.05 then the total cost of painting the vessel all over is :
(1) Rs 90.05
(2) Rs 96.28
(3) Rs 95.20
(4) Rs 96.29
Correct option is (2) Rs 96.28