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Three cubes of sides 3 cm, 4 cm and 5 cm are meltedand a new cube is formed. Find the side of the newcube. |
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Answer» Total volume of 3 cubes = (33+ 43+ 53) cm3 = (27 + 64 + 125)cm3 = 216 cm3 Now volume of new cube = 216 cm3 So edge of new cube = cube root of 216 cm3 = 6 cm how many cubes of side 12 mm are contained in a cube of side 24 cm. |
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