Tom makes a plasticine of sides 25 cm 15 cm and 6 cm how many such cuboids will he need to form a cube.
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How many such cuboids will he need to form a cube? Factors of 5 and 2 both are not in a group of three. Therefore, the number must be multiplied by = 2\times5\times2= 20 to make it a perfect cube. Hence he needs 20 cuboids.
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