Question

Paras makes a cuboid plasticine of sides 21 cm,18 cm,14 cm. How many such cuboids will he need to form a cube​

Answer 1

Answer:

21×18×14=3×7×3×3×2×2×7=(3×3×3)×(7×7)×(2×2)

There are two 7 and two 2, to form a cube, you need three 7 and three 2

Therefore ans is 7×2=14 such cuboid