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Shadab

· started a discussion

· 1 Months ago

bottom rankers (Question: 364635.0 )

dusro ko padhane q chale ho.. av tujhe khud zarurat h padhne ki

Question:

A machine is in the shape of a right circular cylinder with a hemisphere on one end and a cone on the other. The height of the cylindrical part is 3 times the radius. The radius of cylindrical part, hemisphere and conical part is equal and the ratio of height and radii is 4 : 3 in cone. If surface area of the Machine is 2175 cm2, then find the radius. 

Options:
A)

15 cm

B)

16 cm

C)

14 cm 

D)

17 cm

Solution:

Ans:(a) 


ashok dutt meena

· commented

· 1 Months ago

Yet to be approved!
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