Parikshit makes a cuboid of plasticine of sides 5 cm, 2cm, 5cm . How many such cuboids will he need to form a cube.
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sorry brother I am 9 and learning class 4 so I don't know this ans
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Given numbers = 5 * 2 * 5
Factors of 5 and 2 both are not in a group of three.
Therefore, the number must be multiplied by = 2 * 5 * 2 = 20 to make it a perfect cube.
Hence he needs 20 cuboids.
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