A hollow hemispherical vessel has external and internal diameter as 43cm and 42 cm respectively. If cost of colouring it is 7 paisa per square cm then find cost of painting the vessel
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A hollow hemispherical vessel has external and internal diameter as 43cm and 42 cm respectively. If cost of colouring it is 7 paisa per square cm then find cost of painting the vessel
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A hollow hemispherical vessel has external and internal diameter as 43cm and 42 cm respectively. If cost of colouring it is 7 paisa per square cm then find cost of painting the vessel
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