Question

How many wooden cubes of an edge 25 cm in length can be cut out from a cuboidal log of
wood of size 2.5 m by 0.5 m by 50 cm, assuming that there is no wastage?​

Answer 1

Edge of a cube = 25cm

Volume = 15625cm³

Cuboid:

L=250cm

B=50cm

H=50cm

Volume=250×50×50 = 625000cm³

Therefore:

The no. of wooden cubes by edge 25cm = 625000/15625

=40

Therefore 40 wooden cubes by edge 25cm can be cut out from a cuboidal log with no wastage

Rough solution is in the attachment

Answer 2

Answer:

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Edge of a cube = 25cm

Volume = 15625cm3

Cuboid:

L=250cm

B=50cm

H=50cm

Volume=250×50 x 50 = 625000cm3 =

Therefore:

The no. of wooden cubes by edge 25cm = 625000/15625

=40

Therefore 40 wooden cubes by edge25cm can be cut out from a cuboidal logwith no wastage