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Th e in terna l an d exte rn al dia mete rs of a hollow hemispherical vessel are 24 cm and 25 cm respectively. The cost to paint 1 cm2 of the surface is ₹ 0.05. Find the total cost to painting the vessel all over.
  • a)
    ₹ 108.32
  • b)
    ₹ 296.28 
  • c)
    ₹ 101.59
  • d)
    ₹ 96.28
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Th e in terna l an d exte rn al dia mete rs of a hollow hemispherical ...
External radius of hemispherical vessel 
Internal radius of hemispherical vessel 
External curved surface area of hemispherical vessel = 2πr12
Internal curved surface area of hemispherical vessel = 2πr22
Area of top of the hemispherical vessel
Total surface area of the vessel
=
= 1925.78 cm2
Cost of painting the vessel at the rate of ₹ 0.05 per cm2 = 1925.78 » 0.05
= ₹ 96.28 
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Th e in terna l an d exte rn al dia mete rs of a hollow hemispherical vessel are 24 cm and 25 cm respectively. The cost to paint 1 cm2 of the surface is 0.05. Find the total cost to painting the vessel all over.a) 108.32b) 296.28c) 101.59d) 96.28Correct answer is option 'D'. Can you explain this answer? for Class 10 2025 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Th e in terna l an d exte rn al dia mete rs of a hollow hemispherical vessel are 24 cm and 25 cm respectively. The cost to paint 1 cm2 of the surface is 0.05. Find the total cost to painting the vessel all over.a) 108.32b) 296.28c) 101.59d) 96.28Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 10 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Th e in terna l an d exte rn al dia mete rs of a hollow hemispherical vessel are 24 cm and 25 cm respectively. The cost to paint 1 cm2 of the surface is 0.05. Find the total cost to painting the vessel all over.a) 108.32b) 296.28c) 101.59d) 96.28Correct answer is option 'D'. Can you explain this answer?.
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