A body of mass ′m′ expands and its volume increases to two times of its original volume. Then, the density of the body:
A body of mass 'm' expands and its volume increases to two times its original volume. The density of the body .
The length (l) of a cuboid is reduced by 7, height (h) becomes 3 times and width (w) is increased by 2'. Find its new volume.