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Three numbers are in the ratio 1 : 2 : 3 and the sum of their cubes is 4500. The smallest numbers is.

A) 4
B) 5
C) 6
D) 10

Correct Answer:


B) 5

Description for Correct answer:
\( \Large x:2x:3x \)

\( \Large x^{3}+8x^{3}+27x^{3}=4500 \)

\( \Large 36x^{3}=4500 \)

\( \Large x^{3}=\frac{4500}{36} \)

Smallest No. = 5

Part of solved Number series questions and answers : >> Aptitude >> Number series

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