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OJASWI KOTHARI

· started a discussion

· 1 Months ago

??? (Question: 326280.0 )

GIVE THE SOLUTION?

Question:

A cylinder is within the cube touching all the vertical faces. A cone is inside the cylinder. If their heights are same with the same base, then the ratio of their volumes is –

Options:
A)

8:π :2π    

B)

12:3π : π    

C)

12:π :3π    

D)

8:2π : π    

Solution:

Ans: (b)


ilu ahirwar

· commented

· 1 Months ago

side of a cube=a
in cylinder, h=a, r=a/2
in cone, h=a, r=a/2
vol of cube: vol of cyl: vol of cone= a^3: pie*(a/2)^2*a: 1/3* pie*(a/2)^2*a= 12: 3 pie: pie
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