A cylindrical vessel open at the top has a base diameter of 56 cm. If the total cost of painting the outer curved surface of the vessel is rupees 352 at the rate of rupees 0.2 per 100cm square , then the height of the vessel is
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The answer is option(b) which is 10m or 1000 cm
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Thank you so much for asking this question, here is your answer:
Curved Surface: = 2πrh
352 = 2 x 227 x 28 x h
352 = 44 x 4 x h
352 = 156 x h
352/156 = h
when we solve the above equation we will get this:
86/39 x 0.2 / 10 x 100
44.10 is the final answer for this question.
If there is any confusion please leave a comment below.
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