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G. Numerical problems
1. Find the volume of a box of length 80 cm,
breadth 50 cm and depth 40 cm in m.
[Ans: 0.16 m)
2 The initial level of water in a measuring
cylinder is 50 mL. When a glass stopper is
dropped into it the level rises to 54.5 mL.
Calculate the volume of the stopper in cm.
[Ans: 4.5 cm)
3. A concrete slab weighing 48 kg has a
volume of 0.016 m? What is the density of
concrete? [Ans.: 3000 kg/m)
4. The density of aluminium is 2710 kg/m'.
Find the mass of an aluminium block of
dimensions 2 m X 1.5 mx1 m.
[Ans.: 8130 kg]
5. Calculate the volume of a block of brass
having a mass of 340 kg. (density of​