Question

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

Answer 1

The answer is option(b) which is 10m or 1000 cm

Answer 2

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.

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