The weight of a metal block of size 5 cm by 4 cm by 3 cm is 1 kg. Find the weight of a block of the same metal of size 15 cm by 8 cm by 3 cm.
Given,
Dimensions of metal block = 5cm×4cm×3cm
Weight of block = 1 kg
Volume of box = 5×4×3 = 60 cm3
Dimension of new block = 15cm×8cm×3cm
Volume of new box = 15×8×3 = 360 cm3
We know that,
= 
= 
19