Question:Two circular cylinders of equal volumes have their heights in the ratio `1 : 2`. The ratio of their radii is : 

A `1 : √2` 
B `√2 : 1` 
C `1 : 2` 
D `1 : 4` 

+ Answer
B 

+ Explanation
Let their heights be h and 2h & let their radii be R and r. Then,

`π R^2h`

`= π r^2 (2h) ⇒ R^2/r^2`

`= 2/1 ⇒ R/r`

`= √2/1`

+ Report

Irin Moni

Editor, VCampus

Your Name

Your Email

Type of Report
Spelling MistakeIncorrect AnswerGrammar MistakeContent MissingImproper Text FormatInsufficient AnswerDuplicate QuestionImproper Sentence StructureImproper Equation/FormulaOther

Description