Question
Two right circular cylinder of equal volumes have their heights in the ratio 1 : 2. The ratio of their radii is
Answer: Option D
Was this answer helpful ?
Let their height be h and 2h and radii be r and R respectively. Then ,
`pi r^2 h= pi R^2 (2h)`
`hArr r^2/R^2 =( 2h)/(h)`
`hArr r^2/R^2 = 2/1`
`hArr r/R = sqrt(2)/1` ` i.e sqrt(2) : 1`
Was this answer helpful ?
More Questions on This Topic :
Latest Videos
Latest Test Papers
Submit Solution