46.Sheetal makes a cuboid of plastics of sides 5 cm, 2 cm, 5cm. How many such cuboids will be need to
form a cube?
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Solution:
Given numbers = 5\times2\times55×2×5
Factors of 5 and 2 both are not in a group of three.
Therefore, the number must be multiplied by = 2\times5\times22×5×2= 20 to make it a perfect cube.
Hence he needs 20 cuboids.
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