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Deepak

· started a discussion

· 1 Months ago

roof ki height kaise ayi (Question: 275782.0 )

height cylinder ki kaise nikali

Question:

A godown is 36 feet long, 14 feet wide and 7 12     feet high. It is surmounted by a semi-cylinder roof. If cost of painting is Rs.3 per square feet then what is the total cost of painting of godown internally excluding floor?

Options:
A)

Rs.6008

B)

Rs.5808

C)

Rs.5008

D)

Rs.5088

Solution:

Ans: (d)

  

harryshivaom

· commented

· 1 Months ago

knowledge expert atleast u should have specified which side should be taken as diameter of room and which one as height because answer will vary according to your so called visualisation

Knowledge Expert

· commented

· 1 Months ago

The length of the godown will be the height of the semi-cylinderical roof. This problem can be very easily solved by visualisation technique. You may have seen cricket stadiums. Just imagine a cuboidal warehouse with a semi-cylinderical tin roof upon it.
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