Question
Sun February 24, 2013 By:
A cone and a cylinder are having equal base radius . Find the ratio of the heights of cone and cylinder , if the volumes are equal .
 

Plz help me with this ?

Expert Reply
Mon February 25, 2013
Both the methods are correct and will give the same answers. However, in the second method, the last step wherein you have equated h/3H = 1:3 is wrong. 
 
Instead the next steps that you need to do are 
 
 
I hope now you understand it. And in my opinion, you can use either of the 2 methods for other questions also, because the underlying fundamental logic behind both of them is same. 
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