well, a layer of water 1cm deep will have volume 49π cm^3.
The volume of the cubes is 154 cm^3
That should tell you how to figure the depth of water occupied by the cubes.
A cylindrical glass of radius 7 cm is partially filled with water . 154 metal cubes of edge length 1 cm have been dropped into this glass slowly.after that water rises up to the brim of the glass .the rise in water level will be
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