Question

# In cylinder, if the radius is halved and the height is doubled then the volume will be (a) the same        (b) doubled        (c) halved          (d) four times

Solution

## The volume of the cylinder is πr2h hear the question is radius is halved it means radius =r2 height is doubled it means height = 2h volume of cylinder =227 xr2xr2 x 2h then the volume of the cylinder will be 12  πr2h  So the volume of the cylinder is halved. (c) halved MathematicsSecondary School Mathematics IXStandard IX

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