Question

A teak wood log is in the form of cuboid of length 2.3 m, width 75 cm and of certain thickness. Its volume is 1.104 cu. M. How many rectangular planks of size 2.3 m × 72 cm × 4 cm can be cut from the cuboid?

Answer 1

No. of planks=1.104/(2.3*0.72*0.04)
                    =16.66

So, only 16 planks can be cut

Answer 2

Volume of teak plank=1.104cu.m

Volume of small planks =2.3*1.82*0.04

No. Of planks that can be

cutter out

=1.104/[2.3*0.72*0.04]

=16.66

Therefore we can count approximately of 17 planks