The dimensions of a metal block are 2.25 m by 1.5 m by 27 cm. It is melted and recast into cubes, each of the side 45 cm. How many cubes are formed?

The rainfall on a certain day was 6 cm. How many litres of water fell on 3 hectares of field on that day?

An 8 m long cuboidal beam of wood when sliced produces four thousand 1 cm cubes and there is no wastage of wood in this process. If one edge of the beam is 0.5 m, find the third edge.

A solid rectangular piece of iron measures 6 m by 6 cm by 2 cm. Find the weight of this piece, if 1 cm³ of iron weighs 8 gm.

Fill in the blanks in each of the following so as to make the statement true :

(i) 1 m³= ……….. cm³

(ii) 1 litre = …….cubic decimetre

(iii) 1 kl = ………… m³

(iv) The volume of a cube of side 8 cm is …….

(v) The volume of a wooden cuboid of length 10 cm and breadth 8 cm is 4000 cm³. The height of the cuboid is …50…. cm.

(vi) 1 cu. Dm = …….. cu. Mm

(vii) 1 cu. Km = ……… cu. M

(viii) 1 litre = ......cu. Cm

(ix) 1 ml = ……. Cu. Cm

(x) 1 kl = …… cu. Dm = ……….. cu. Cm.