Question 55

The length, breadth andheight of a solid cuboid is 20 cm, 16 cm and 12 cm respectively. If cuboid is melted to form identical cubes of side 4 cm, then what will be the number of identical cubes?


Number of identical cubes formed = ratio of volume of cuboid to volume of cube

= $$\frac{lbh}{a^3}$$

= $$\frac{20\times16\times12}{4\times4\times4}$$

= $$5\times4\times3=60$$

=> Ans - (D)

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