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Quantitative Aptitude
Geometry
Three cubes with sides in the ratio of 3:4:5 are melted to form a single cube whose diagonal is 18√3 cm. The sides of the three cubes are:
Question
Three cubes with sides in the ratio of 3:4:5 are melted to form a single cube whose diagonal is 18√3 cm. The sides of the three cubes are:
A.
12 cm,16 cm and 20cm
B.
18cm,24cm and 30cm
C.
21cm,28cm and 35cm
D.
9cm,12 cm and 15 cm
Solution
Correct option is D
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