Question

Find the weight of a solid rectangular iron peice of size 50cm × 40cm × 10cm, if (1cm)3 of iron weights 8 gm

Answer 1

Volume of solid rectangular iron piece= (50×40×10)cm^3

=20000cm^3

1cm^3 weighs =8gm

now, 20000cm^3 will weight= 20000×8gm

= 160000gm