Q. 4. Imtiyaz makes a cuboid of plasticine
of sides 5 cm, 2 cm, 5 cm. How many such
cuboids will he need to form a cube.
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Answer:
Since, Factors of 5 and 2 both are not in 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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