Question

how many cuboids of sides 5cm 2cm and 5cmare needed to form acube

Answer 1

• Least Length of Cube =10

• Volume of cube =10^3=1000

• Dimensions of cuboid =5*2*5

• Volume of cuboid =5*5*2=50

So number of Cuboid required to make a cube =1000/50=20 cuboids

★ Thus, 20 cuboids of dimensions 5*2*5 are,required to make a cube