1.

Three cubes whose sides are in the ratio 3 : 4 : 5 were melted and a single cube, whose diagonal is 24√3 cm was made. Then, the sides of the original cubes are: (in cms)

A. 12, 16, 20
B. 9, 12, 15
C. 13.5, 18.0, 22.5
D. 15, 20, 25
Answer» B. 9, 12, 15


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