A uniform disc of radius R is put over another uniform disc of radius 2R of same thickness and density. The peripheres of the two discs touch eachother. The position of their centre of mass is

A uniform disc of radius R is put over another uniform disc of radius

1.	A uniform disc of radius R is put over another uniform disc of radius 2R of same thickness and density. The peripheres of the two discs touch eachother. The position of their centre of mass is
Answer» at `(R )/(3)` from the centre of the bigger DISC towards the centre of the smaller disc at `(R )/(5)` from the centre of the bigger disc towards the centre of the smaller disc at `(2R)/(5)` from the centre of the bigger disc towards the centre of the smaller disc non of the above ANSWER :B